Walnut Seating
to
1,237
5,730
4,135
7,001
3,267
174
Height
to
Width
to
Depth
to
6,801
4,786
2,631
3,264
2,498
3,157
2,406
2,890
2,381
2,683
2,354
2,818
3,106
1,218
487
440
370
299
272
162
104
79
78
77
62
56
53
48
38
15
561
1,773
4,667
3,441
631
2,925
662
105
28
147
255
219
753
859
443
97
28
38,093
83,357
60,236
39,945
25,744
6,210
3,114
2,854
1,788
1,333
10,442
7,535
8,158
175
168
142
141
104
Material: Walnut
Gio Ponti Leggera Chair For Cassina
By Gio Ponti
Located in Barcelona, Barcelona
Gio Ponti Leggera Chair For Cassina
An icon of chair design and of Cassina’s masterful artisan craftsmanship. A tasteful and versatile piece remin...
Category
2010s Italian Mid-Century Modern Walnut Seating
Materials
Walnut
$3,561 / item
Modern sculptural chenille walnut armless Arches II dining chair by InsidherLand
Located in Maia, Porto
The Arches II dining chair is designed in the likeness of the architectural scale that suggests a crossing through the structures of a utopian city, organized by the principles of sy...
Category
21st Century and Contemporary Portuguese Modern Walnut Seating
Materials
Metal, Brass
1960's California Studio Walnut Sofa Bench
By Sam Maloof
Located in Oakland, CA
1960’s California studio-craft walnut sofa hand carved of solid walnut with sculptural arms, fine joinery, slatted back, and two built-in tapered side tables. Raised on round tapered...
Category
Mid-20th Century American Mid-Century Modern Walnut Seating
Materials
Walnut
Adrian Pearsall Style Italin Modern Bouclè and Walnut Sofa
Located in Puglia, Puglia
Two contemporary sofas in the style of Adrian Pearsall, made in Italy with petrol green Bouclè fabric and walnut wood. Price each.
Category
Early 2000s Italian Modern Walnut Seating
Materials
Bouclé, Walnut
20th Century French Louis XV Style Bergere
Located in Atlanta, GA
This 20th-century French bergère is an elegant representation of the Louis XV style, known for its graceful curves and refined ornamentation. The frame of the chair is crafted from c...
Category
20th Century French Louis XV Walnut Seating
Materials
Beech, Walnut
Adrian Pearsall Chaise Lounge Rocker
Located in Middlesex, NJ
Category
20th Century American Mid-Century Modern Walnut Seating
Materials
Upholstery, Walnut
Mexican Modern Lounge Chair in Leather Rosewood and Brass by Frank Kyle 1950s
By Frank Kyle
Located in Troy, MI
Rare lounge chair designed by sculptor and artist Frank B Kyle
Studio Kyle de Mexico SA
Mexico circa 1950s
Sculpted walnut frame with contoured armrests and rosewood tips
Fitted w...
Category
20th Century Mexican Mid-Century Modern Walnut Seating
Materials
Brass
Mid Century Modern Set of 6 Original Norman Cherner Dining Chairs for Plycraft
Located in Port Jervis, NY
Fabulous original set of six Norman Cherner Dining chairs for Plycraft c1955. Totally restored, wood was scrubbed clean and restrained and lacquered. All...
Category
1950s American Mid-Century Modern Vintage Walnut Seating
Materials
Faux Leather, Walnut
Curvaceous L Shaped Sofa in Clarence House Dragon Empress (Wine)
Located in Hanover, MA
Curvaceous L shaped mid-century modern style sofa custom made and upholstered in Clarence House Dragon Empress (Wine). Brand new, never used. Includes 7 throw pillows and comes with ...
Category
2010s American Mid-Century Modern Walnut Seating
Materials
Upholstery, Walnut
Jaime Hayon, Contemporary, Lounger Armchair for BD
Located in Barcelona, Barcelona
Armchair structure base in cast aluminium.
Seat, backrest are in plywood with exteriors in walnut nature effect NG EN2
Upholstered in Aged camel V18
Various fabrics and leathe...
Category
2010s Spanish Modern Walnut Seating
Materials
Aluminum
$9,586 / item
Italian Walnut Long Bench, Italy, circa 1940's
Located in New York, NY
A Northern Italian long walnut bench with side handles, the seat supported by tapered and carved fluted legs ending in brass sabot. An elegant piece to complement any interior style...
Category
1940s Italian Vintage Walnut Seating
Materials
Walnut
Antique Exotic Folding & Adjustable Daybed "British Campaign Furniture" London
Located in Antwerp, BE
Victorian walnut-stained beech campaign style day bed with caned seat designed to be folded up it's ratcheted on all three sections to adjust to numerous positions including flat, se...
Category
1870s British Early Victorian Antique Walnut Seating
Materials
Rattan, Walnut
$5,685 Sale Price
20% Off
CraftAssociates, Vancouver Modern Mohair Sofa, Copper, Walnut
Located in Oak Harbor, OH
CraftAssociates, Vancouver Modern Mohair Sofa, Copper, Walnut
This modern sofa is expertly crafted and upholstered. The sofa boasts hand cut high-...
Category
2010s American Modern Walnut Seating
Materials
Copper
George Nakashima - Ottoman
Located in Hasselt, VLI
Stool or poof designed by George Nakashima for Widdicomb Furniture Company in the late 1950s. Produced in the United States circa 1958. Dating from the period following the Widdicomb...
Category
1950s American Mid-Century Modern Vintage Walnut Seating
Materials
Leather, Mohair, Walnut
$17,506
Mid-Century Modern Twins Daybed, DEDAR Mohair, Oak, Handmade by Greenapple
Located in Lisboa, PT
Mid-Century Modern Twins Daybed, Contemporary Collection, Handcrafted in Portugal - Europe by Greenapple.
The Twins daybed and its matching curved sofa...
Category
21st Century and Contemporary Portuguese Mid-Century Modern Walnut Seating
Materials
Leather, Fabric, Alpaca, Mohair, Linen, Velvet, Wood, Oak, Walnut
Reyes Counter Stool in Walnut with Black Leather
Located in Mendocino, CA
This is a walnut counter stool with a stretched leather seat and back. The frame is solid walnut with a gentle radius at the interior joints and ...
Category
2010s American Modern Walnut Seating
Materials
Brass
$2,950 / item
Contemporary Bench in Walnut 'Solid' by Atelier 365 x Valerie Objects, Large
Located in Paris, IDF
Bench in Walnut 'Solid' by Atelier 365 x Valerie Objects
Dimensions: H. 45 x W. 200 D. 35 (Large)
Fascinated by traditional wood joints, Greindl const...
Category
21st Century and Contemporary Belgian Organic Modern Walnut Seating
Materials
Walnut
Mid-Century ‘Gondola’ Sofa by Adrian Pearsall
Located in Raleigh, NC
Mid-century ‘Gondola’ sofa by Adrian Pearsall for Craft Associates, circa 1960s. Iconic mid-century design with walnut accents.
Long profile sofa sitting atop sculpted walnut legs. ...
Category
1960s American Mid-Century Modern Vintage Walnut Seating
Materials
Fabric, Velvet, Foam, Wood, Walnut
Mid-Century Modern Paddle Armed Lounge Chair by Adrian Pearsall 2291-C Chair
Located in New York, NY
This iconic Mid-Century Modern 2291-C lounge chair was realized by the legendary designer Adrian Pearsall in the United States circa 1960. It features subtly angular front legs and d...
Category
1960s American Mid-Century Modern Vintage Walnut Seating
Materials
Walnut
Vintage French Provincial Style Ladder Back Bench Rush Seat
Located in Southampton, NJ
A vintage French Provincial rush seat bench possessing the charm and elegance of French country style with natural materials for a timeless, rustic look. The bench features a gracefu...
Category
Mid-20th Century American French Provincial Walnut Seating
Materials
Rattan, Rush, Walnut
18th Century Louis XVI Period Painted and Parcel-Gilt Bergere Chair
Located in Louisville, KY
Stunning French, 18th century, Louis XV Bergere Chair aligned with Rococo period. Previously part of a museum collection in Louisville, Kentucky. Collectors or those with a refined t...
Category
Late 18th Century French Louis XV Antique Walnut Seating
Materials
Upholstery, Velvet, Walnut, Giltwood, Paint
- A Pair of Mid-Century Lounge Chairs, Paul McCobb for Directional
Located in St.Petersburg, FL
Pair of Mid-Century Lounge chairs, probably the Rare model 2014 lounge chairs designed by Paul McCobb for Directional furniture. Features great streamlined angles and interesting cro...
Category
1950s American Mid-Century Modern Vintage Walnut Seating
Materials
Upholstery, Walnut
Antique Set 12 French Walnut & Black Leather Upholstered DiningChairs19thCentury
Located in London, GB
This is a fantastic set of twelve walnut and black leather upholstered-back dining chairs, late 19th Century in date.
These chairs have been masterfully crafted in beautiful solid w...
Category
Late 19th Century Antique Walnut Seating
Materials
Leather, Walnut
19th Spanish Colonial Throne Armchair with Leather
Located in Miami, FL
Spanish Colonial style armchair, having leather seat and backs brass nailheads and a beautiful patina throughout, 19th century or earlier.
Measures: Height to the arm: 25.59 in.
Category
Late 19th Century Spanish Spanish Colonial Antique Walnut Seating
Materials
Iron
$1,960 Sale Price
20% Off
Guglielmo Ulrich, Art Deco 3-Seater Sofa in Fabric and Walnut, 1930s
Located in Los Angeles, CA
A matching three-seater sofa to the above pair, crafted in walnut and upholstered in coordinating striped coral-orange fabric. The scrolled arms and streamlined silhouette exemplify ...
Category
1930s Italian Modern Vintage Walnut Seating
Materials
Walnut
Adrian Pearsall for Craft Associates 2300-S Mid Century Walnut Boomerang Sofa
Located in Franklin Park, IL
Adrian Pearsall for Craft Associates 2300-S Mid Century Walnut Boomerang Sofa
This sofa measures: 136 wide x 66 deep x 27 inches high, with a seat height of 12.5 inches
Fair Vintag...
Category
Mid-20th Century American Mid-Century Modern Walnut Seating
Materials
Upholstery, Walnut
SHAKER Chair by AMBROZIA, Shearling & Blackened Steel
By AMBROZIA
Located in Drummondville, Quebec
The Shaker side chair is handcrafted to order from refined blackened Steel metal frame with a leather seat and Shearling back. Featuring subtile solid wood insertion that will give a...
Category
21st Century and Contemporary Canadian Modern Walnut Seating
Materials
Steel
Beachcomber Bar Stool in Walnut
Located in Los Angeles, CA
Light and strong, the Beachcomber bar stool evokes the sight of an old wooden monohull; it's lean, sturdy mast together with the rigging worthy o...
Category
2010s American Shaker Walnut Seating
Materials
Oak, Walnut
$1,200 / item
Vintage Henredon Scene One Campaign Dining Chairs in Walnut set of 8
By Henredon
Located in W Allenhurst, NJ
Mid-Century Modern sculptural campaign dining chairs by Henredon Scene One collection. Consisting of two armchairs and six side chairs. Chairs feature classic floating frames with br...
Category
Mid-20th Century American Mid-Century Modern Walnut Seating
Materials
Upholstery, Walnut
Pair of 19th-Century Walnut Upholstered Benches with Turned Legs and Casters
Located in Atlanta, GA
A beautiful pair of 19th-century benches crafted in warm blond walnut, featuring finely turned and twisted legs that terminate in their original brass casters. The benches display ex...
Category
19th Century Italian Antique Walnut Seating
Materials
Walnut
A Pair of Swedish Art Deco Lounge Chairs with Curved Armrests, 1930s
Located in Odense, DK
An exquisite pair of Swedish lounge chairs from the Art Deco period, likely dating to the 1930s–1940s, characterized by their bold, sculptural bentwood arms that elegantly flow into ...
Category
Early 20th Century Swedish Mid-Century Modern Walnut Seating
Materials
Fabric, Bentwood, Birch, Walnut
Arts & Crafts Solid Walnut Executive Swivel Desk Chair by Johnson Chair Co.
Located in South Bend, IN
An exceptional Arts & Crafts, Mission, or Mid-Century Modern carved solid walnut executive swivel desk chair
By Johnson Chair Co.
USA, Circa 1940s
Measures: 27.5"W x 27.5"D x 33"H...
Category
1940s American Arts and Crafts Vintage Walnut Seating
Materials
Iron
Set of Eight Erik Buch Vintage Dining Chairs by Nova Mobler of Denmark
By Nova, Erik Buch
Located in Brooklyn, NY
A complete set of eight mid-century modern Danish Erik Buch style dining chairs by Nova Mobler of Denmark. Each chair features striking yellow upholstered seats and backs, adding a v...
Category
Mid-20th Century Danish Mid-Century Modern Walnut Seating
Materials
Fabric, Walnut
Adrian Pearsall for Craft Associates Inc. Model 2206 Sculptural Wing Chair
Located in West Chester, PA
Sculptural Wing Chair by Adrian Pearsall for Craft Associates Inc. Model 2206. Reupholstered recently in a black and beige woven zebra print. The fabric is not black and white - it i...
Category
Mid-20th Century American Mid-Century Modern Walnut Seating
Materials
Upholstery, Walnut
George Nakashima Dining or Desk Chair Mira Model
Located in Atlanta, GA
Iconic Sculptural "Mira" Model Chair, made by George Nakashima Studio, American, circa 1960s. This chair was named for George's daughter Mira, who later took over his studio after he...
Category
1960s American Mid-Century Modern Vintage Walnut Seating
Materials
Hickory, Walnut
19th Century Period Gustavian Pair of Benches Carved Rams Head and Hoof
Located in Miami, FL
19th century period Gustavian pair of benches, Savonarolas, carved rams head and hoof with original leather seat.
Category
Late 19th Century European Gustavian Antique Walnut Seating
Materials
Walnut
Pair of 20th Century Yellow Pattern Velvet Vintage Stools, Edmund Homa, 1960s
Located in 05-080 Hornowek, PL
Stools from the turn of the 1960s. Beautiful yellow pattern high quality spanish gull lamadrid velvet upholstery. The stools consists of an upholstered part, a seat and wooden legs n...
Category
Mid-20th Century Polish Mid-Century Modern Walnut Seating
Materials
Fabric, Chenille, Velvet, Beech, Walnut
Northern Italian Walnut Long Bench, Italy, circa 1940
Located in New York, NY
A Northern Italian walnut long bench with elegantly splayed legs. The long seat fashioned with a fabric cushion in a creamy colored cotton. Perfectly suited for the end of a bed or...
Category
1940s Italian Art Deco Vintage Walnut Seating
Materials
Fabric, Walnut
Victorian Walnut and Cane Rocking Chair
Located in Germantown, MD
A Victorian Walnut and Cane Rocking Chair.
Caning in great condition
Category
Late 19th Century American Victorian Antique Walnut Seating
Materials
Cane, Walnut
Antique Footstool circa 1880s Hand Needlepoint Floral Tapestry + Carved Wood Foo
Located in Portsmouth, VA
There’s something magical about the little things—like this petite antique footstool, quietly carrying over a century of stories.
Dating to the late 1800s, this heirloom piece featu...
Category
Early 19th Century American Antique Walnut Seating
Materials
Fabric, Walnut
20th Century Italian Single Vintage Walnut Lounge Chair by Paolo Buffa
By Paolo Buffa
Located in West Palm Beach, FL
A single, vintage Mid-Century modern Italian lounge chair made of hand crafted polished Walnut designed by Paolo Buffa, in good condition. The detailed club chair is composed with tw...
Category
Mid-20th Century Italian Mid-Century Modern Walnut Seating
Materials
Fabric, Bouclé, Upholstery, Walnut
Norman Cherner Plycraft Set of 6 Sculptural Dining Chairs Mid Century Modern
Located in Atlanta, GA
Set of 6 sculptural dining chairs, designed by Norman Cherner for Plycraft, American, circa 1950s. They are currently being refinished and will look amazing when they are finished. P...
Category
1950s American Mid-Century Modern Vintage Walnut Seating
Materials
Walnut, Bentwood
Pair of French Louis XV Style Bergères À Oreilles with Carved Floral Décor
Located in Atlanta, GA
A pair of French Louis XV style walnut bergères à oreilles from the 20th century, with carved floral décor, upholstery and cabriole legs. Created in France during the 20th century, t...
Category
20th Century French Louis XV Walnut Seating
Materials
Upholstery, Walnut
$5,200 Sale Price / set
20% Off
19th Century Exceptional Biedermeier Walnut Sofa. Vienna, c. 1825.
Located in Vienna, AT
This exceptional Viennese Biedermeier sofa, created circa 1825, represents the very finest achievements of early 19th-century Austrian design.
Viennese Biedermeier furniture is cele...
Category
Early 19th Century Austrian Biedermeier Antique Walnut Seating
Materials
Upholstery, Walnut
Art Deco Button Back Mohair Chair by Russel Wright for Conant Ball Company
Located in New York, NY
This stunning side chair was realized by the esteemed American designer Russel Wright in the United States, circa 1940. It features four conical splayed legs in ebonized walnut; and ...
Category
1940s American Art Deco Vintage Walnut Seating
Materials
Mohair, Walnut
Portarlington Sofa in the Style of Howard & Sons, Upholstered in Susan Deliss
Located in London, GB
This sofa is a contemporary re-edition of the classic Howard & Sons “Portarlington” model, a form closely associated with turn of the19th- 20th century English design. The propor...
Category
2010s British Country Walnut Seating
Materials
Cotton, Upholstery, Walnut, Down
$20,398 Sale Price
20% Off
Norman Cherner Plycraft Set of 6 Sculptural Dining Chairs Mid Century Modern
Located in Buffalo, NY
Classic Modernist Design.. Norman Cherner for Plycraft ..Set of 6 Sculptural Dining Chairs .. original finish.patina.. Very nice original condition,, few bumps and bruises, age appr...
Category
1960s American Mid-Century Modern Vintage Walnut Seating
Materials
Walnut, Bentwood, Plywood
Set of 8 French Louis XIII Style Os De Mouton Walnut Dining Chairs in Blue Plaid
Located in Astoria, NY
A beautifully restored set of eight 20th-century French dining chairs crafted in the Louis XIII style and sourced from Provence, France. The set includes six side chairs and two matc...
Category
20th Century French Louis XIII Walnut Seating
Materials
Fabric, Cotton, Walnut
Pair of Vintage Midcentury Walnut Stools in Bouclé
Located in Doylestown, PA
Pair of vintage mid century walnut foot stool ottomans in bouclé with newer upholstery. They feature tapered straight legs, a finely carved apron and creamy bouclé fabric. Beautifu...
Category
Mid-20th Century Mid-Century Modern Walnut Seating
Materials
Bouclé, Walnut
Mid-Century Modern Adrian Pearsall Platform Sofa, 1960s Craft Associates
Located in Raleigh, NC
This exceptional Adrian Pearsall platform sofa showcases the renowned mid-century modern designer's signature floating aesthetic with integrated walnut end tables elegantly positione...
Category
Mid-20th Century American Mid-Century Modern Walnut Seating
Materials
Upholstery, Walnut
Mid-Century Modern Lounge Chair by Allan Gould
By Allan Gould
Located in Oakland, CA
Mid-Century Modern Lounge Chair by Allan Gould, produced by Thayer Coggin, features a dark walnut frame with light green upholstery and subtle button tufting.
Measurements
W 30’’ x D...
Category
Mid-20th Century American Mid-Century Modern Walnut Seating
Materials
Walnut
Mid-Century Modern Restored Sculptural Danish Rocking Chair, c1955
By Baumritter
Located in Port Jervis, NY
Elegantly restored Mid-Century Modern rocking chair most likely by Baumritter. Comb back style with all new cushions. Seat height is 19. A true classic in a modern form.
Category
1950s Danish Mid-Century Modern Vintage Walnut Seating
Materials
Fabric, Walnut
French Country Style Zebra Upholstered Chairs, 2
Located in Astoria, NY
Pair of French Provincial Style Zebra Upholstered Armchairs, walnut frame with floral crest above a caned back and black and white zebra upholstery on four cabriole legs. 37" H x 26....
Category
Mid-20th Century French Provincial Walnut Seating
Materials
Upholstery, Cane, Walnut
$1,450 / set
Mid-Century Modern Minho Daybed, Wool Bouclé, Oak, Handmade by Greenapple
Located in Lisboa, PT
Mid-Century Modern Minho Daybed, Contemporary Collection, Handcrafted in Portugal - Europe by Greenapple.
The Minho daybed is a modern reinterpretation of traditional furniture desi...
Category
21st Century and Contemporary Portuguese Mid-Century Modern Walnut Seating
Materials
Onyx, Marble
Pair of Italian 19th Century Rococo Style Carved Walnut Upholstered Armchairs
Located in Atlanta, GA
A pair of Italian Rococo style walnut armchairs from the 19th century, with carved skirts, cabriole legs and upholstery. Born in Italy during the 19th century, each of this pair of R...
Category
19th Century Italian Rococo Antique Walnut Seating
Materials
Upholstery, Walnut
Pair of Paolo Buffa Lounge Chairs
By Paolo Buffa
Located in Hanover, MA
We are fortunate to have two pair of these incredibly stylish and well crafted lounge chairs attributed to Paolo Buffa.
Each chair is made of ebonized solid walnut and features exaggerated sinewey armrests that stretch from the backrest to the floor and have solid cherry spindle back and distinctive double X spindle detailing under the arms.
The seat deck is woven raffia.
These chairs are quite generously proportioned and comfortable even for a larger man (i.e., yours truly!)
The lose seat...
Category
1940s Italian Mid-Century Modern Vintage Walnut Seating
Materials
Upholstery, Cherry, Walnut
$8,700 / set
19th Century Fine Set of Six Biedermeier Walnut Chair. Vienna, c. 1825.
Located in Vienna, AT
Hello,
These fine set of six Viennese Biedermeier walnut chairs from circa 1825 is the best example of an early Viennese Biedermeier which reflect innovative design and highest quali...
Category
Early 19th Century Austrian Biedermeier Antique Walnut Seating
Materials
Upholstery, Walnut
Finn Swivel Dining Chair by Parc
Located in Madison, CT
The Finn Swivel Dining Chair combines soft sculptural lines with a compact footprint, making it ideal for both dining and lounge applications. The curved backrest wraps gently around...
Category
2010s American Walnut Seating
Materials
Fabric, Bouclé, Velvet, Walnut
Midcentury American Modern Mel Smilow Solid Walnut Frame Sofa or Daybed
By Mel Smilow
Located in Brooklyn, NY
Stunning midcentury American Modern Mel Smilow Walnut frame long low sofa or daybed. Beautiful armless sofa with solid walnut sculpted frame and steel spring support insert. Has Orig...
Category
1950s American Mid-Century Modern Vintage Walnut Seating
Materials
Steel
$3,300 Sale Price
40% Off
Chesterfield Black Leather Armchair from the 1950s, Western Europe.
Located in Miami, FL
Chesterfield armchair from the 1950s, Western Europe.
Height to the arms : 16.53in
Category
Mid-20th Century Chesterfield Walnut Seating
Materials
Leather, Walnut
Read More
All the Furniture in This Organic Modern Soho Loft Can Be Yours
Andrianna Shamaris has filled her epic new home with pieces of her own design.
20 Inviting Dining Rooms Perfectly Arranged for Entertaining
Top interior designers show — and tell — us how to create delectable spaces for hosting dinner parties.
Nobody Puts This Sunny Sofa in a Corner
With its plush cushions, cane details and dazzlingly colorful back, it’s inviting from every angle.
The 21 Most Popular Mid-Century Modern Chairs
You know the designs, now get the stories about how they came to be.
Fred Rigby’s Modular Seating Can Be Configured in So Many Handy Ways
The plush Cove Slipper 2.5 Seater sofa is just one of many convenient combinations from the London-based maker.
This Chubby-Chic Quilted Stool Stands on Its Own Two Feet
Sam Klemick's cool stool is edgy, cozy and environmentally sustainable all at once.
Is Lionel Jadot the Willy Wonka of Upcycled Belgian Design?
From his massive collaborative workshop in a former paper factory, the designer concocts funky furniture from disused materials, as well as luxe hotel interiors like the new Mix Brussels.
Rock Your Cares Away on This Sunny Hand-Crocheted Swing
The boho-chic Enchanted Forest Swing, handmade by marginalized women from Turkey and Syria, is uplifting in every way.
More Ways To Browse
Percival Lafer Jacaranda
Pixel Sofa
Rattan Hong Kong
Salterini Sofa
Vintage Schumacher
Wood Penguin
Wrought Iron Rockers
Antique Hammock
Art Deco Springer Chair
Camel Head
Chinese Mother Of Pearl Inlay Chairs
Cordovan Leather
George Nelson Orange
Ian Schrager
J O Carlsson
Lloyd Wicker
Made In Italy Teak
Octagonal Chair