The McCarty’s Sacro Ease Ergo Wedge is a new product designed to give superior back support. A 3″ to 1″ wedge made with poly foam and comfort foam. This helps bring your hips and knees to a neutral position reducing the impact to the spinal discs. There is a removable insert in the tailbone area should you need it. The fabric is removable and washable. Complete with internal comfort memory foam, this support will provide maximum comfort while supporting your spine. Wedge shaped to level out your seat bringing your hips and knees to a neutral position, reducing the impact to the spinal discs. Made with Poly foam and comfort memory foam for maximum comfort. Removable insert in the tailbone area. Fabric is washable and soft to the touch. Has proven to be excellent for autos, airplanes, bus seats, chairs and sofas. Durable non skid bottom. Size is 15 x 16 x 3. Has a carrying handle for easy transferring.