Car Wedge Seat Cushion for Car Driver Seat Office Chair Wheelchairs Coccyx Support Tailbone Pain Relief Memory Foam Car Seat CushionRELIEVE ACHING BACK: Wedge seat cushion that made of 100% premium memory foam features balanced softness and ergonomic coccyx cut-out design, which designed to relieve pressure on lower spine and reduce tailbone pain,but with some people it will not completely eliminate all symptoms.PROMOTE BETTER SITTING POSTURE : 20 INCHES at the width just fit the car seat, not like other with 18 inches at the width are too small for car seat . What's more, 3 INCHES high at the back , our cushion effectively raises your car seat height, thus providing the perfect amount of lumbar support.Widely Use: Our Memory Foam orthopedic wedge seat cushion provides comfort on most Hard Surfaces, office chair, and wheelchairs.Design for car seat,office use, household and pregnancy. Some customers who often makes long commutes said that this car wedge seat cushion made all the difference from feeling achy after a drive to feeling good.MORE PRACTICALITY DESIGN: Non- rubber bottom and adjustable strap to keeps cushion stable and secure. Will not slide around whilst driving or require. Use 4D breathable mesh knitting material, has high-density, high- breathable, high elasticity. Removable cover is hand washable. NOTE: the car seat cushion will arrive folded but will flatten out with first use.Car Wedge Seat Cushion for Car Driver Seat Office Chair Wheelchairs Coccyx Support Tailbone Pain Relief Memory Foam Car Seat CushionFeatures:color:blackMail Material: 100% premium Memory Foam with 4D breathable mesh knitting material cover.Size: 20 * 17 * 3 in /50 cm X 43 cm X 8 cm(L * W * H)Memory foam middle layer comes in soft and firm , and lasts for a long time. It will make your car seat much morecomfortable, Non- rubberbottom, it 't slide around when you get in and out of the car.Our Memory Foam orthopedic wedge seat cushion provides comfort on most Hard Surfaces, office chair, and wheelchairs.Design for car seat,office use, household and pregnancy., allergy free foam is less likely to cause allergic reactionsThe contoured shape ensures an anatomically correct posture for long term advantages.Kindly reminder:Because of the special physical characteristics of memory foam material, our seat wedge cushion may become a little HARD when in very cold winter. It will become COMFORTABLE after 5 minutes usage. The car seat cushion will arrive folded but will flattern out with first use.Package Contents:1 * Car Wedge Seat CushionOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.