What materials did Keith Haring use?

Keith Haring used a variety of materials. Over the course of his career, he produced works in markers, chalk, felt-tip pens, ink and acrylic paints. For his murals, he often preferred spray paint. Interestingly, the artist rarely made sketches for even his largest works, preferring to improvise during the creation process. Find a wide range of Keith Haring art on 1stDibs.