Ideal for wheelchairs and other chairs in need of extra cushioning. Overstuffed with soft hypoallergenic polyester fiberfill. Molds to body contours helping prevent painful pressure sores. Comfortable navy polyester cotton self-cover. Standard seat style features six ties to help secure cushion in place. Machine washable. Seat size: 16 x 16 ; back size: 16 x 22 ; arm size: 16 x 14 .