Polyester Contents & measurements: Set of 6 chair pads, each measuring 16 x 16 x 1.5 inches. Sturdy construction ensures a secure fit for most dining room, living room, play room, bedroom, and outdoor chairs Non-slip bottom: Prevent slipping with non-skid rubber backing and secure ties at each chair pad Soft and comfortable: High-density memory foam filling and soft honeycomb textured polyester cover provide back support and maintain shape over time Easy care: Machine washable for convenient maintenance. Tumble dry with no heat to maintain like-new appearance Versatile use: Suitable for both indoor and outdoor furniture, enhancing comfort and style in any setting