Duro-Med Comfort Pillow Cushion with Six Ties is ideal for wheelchairs or any chair that may require additional padding for comfort or pressure reduction. The cushion is constructed of soft, hypo-allergenic polyester fiberfill with a polyester/cotton cover. Molding to body contours, the cushion helps to prvent painful pressure sores. The seat size: 16" x 16"; back size: 16" x 24"; arm size: 16" x 16". Navy cover is machine washable.