Polyester Included items: 6 chair pads, each measuring 16 x 16 x 1.5 inches, fitting most dining room, living room, play room, bedroom, and outdoor chairs. Features tight-stitching edging and durable fabric, resistant to scratches and tears during daily use Foam specifications: High-density memory foam with 1.5-inch thickness, designed for superior comfort and support. Alleviates pressure on hips, lower back, and tailbone, ensuring comfort during extended use Non-slip backing: Non-slip bottom chair pads provide secure grip, preventing slips and slides for enhanced safety and stability. Includes two ties at each chair pad for easy attachment and secure placement Maintenance: Machine washable. Wash cold, avoid bleach, ironing, and dry with no heat for a like-new appearance