Product Details Cushion Dimensions: 14 inch E x 12 inch H. Improves spine alignment and back tension. Convenient for home, car or workplace. Products for an independent life. Temperature-sensitive memory foam molds to your body shape and provides customized comfort for your lower back. Removable cover machine washable. Polyester/cotton fabric. Flame retardant material meets CAL 117 requirements. Comes with adjustable strap for secure hold.