The surface is made of soft, 100% recycled polyester that looks like sheepskin. The back is made of non-slip synthetic rubber, so the cushion pad won't slip. Diameter: 32cm Its flexible circular shape allows it to be used on various types of seating, such as chairs, stools, and benches. Adds warmth and comfort to chairs, benches, etc. It's machine washable, making it easy to care for. Surface/Back: 100% Polyester Back: 100% Synthetic Rubber