About this item 100% Cotton 100% Cotton Dimensions: Seat: 18.5″W x 16″D. Back: 20″W x 6.25″D. The canvas can only fit director chairs that have round inserts with the dowel-to-dowel distance of 19″ or less. Made of 100-percent cotton. Heavy duty; The seat and back covers are mildew-resistant, hand washable, and constructed from heavy duty duck cotton canvas. Wooden chair frame NOT included. Replacement seat and back will be initially very tight; canvas will stretch over time.