Wedges are a versatile, simple tool that therapists use daily for positioning, partial weight bearing, postural drainage, reading, and relaxation; as well as for gross-motor activities such as assisted up- and downhill rolling, scooting, or crawling. Thrifty wedges of high-compression urethane foam, upholstered in wipe-clean coated nylon with an antibacterial additive. SIZE: 4" x 20" x 22" (20 x 51 x 56cm).