Features: Comfortable Memory Form Seat Cushion. With an enhanced memory foam formula, the wedge/ U-shaped cut out ergonomic design cushion will contour to the body's pressure points to help alleviate pain and provide the best comfort and support. Pain Relief. Memory Foam Wedge Cushion for Yourselves is to provide you comfort, reducing pressure on your lower back and coccyx, while promoting proper posture and spinal alignment. Assists You in Relief and Seat Comfort. It has proven to restore your spine's natural lumbar curve to the correct posture. You will feel instant relief from lower back pain, numbness and pain from sciatica, herniated discs, tailbone injuries, back pain from pregnancy, hip pain, hemorrhoids, and pressure sores. Improved Engineering. NON-SLIP rubber bottom with mesh material will ensure that you don't slide around. It's a perfect solution for office chair, desk chair, kitchen chair, car seat, airplane, rocking chair, recliner, RV, stadium seat, couch and wheelchair for office use, truck drivers, frequent travelers, sporting events and pregnancy. Notice: Actual color may be slightly different from the image due to different monitor and light effect. Specification: Size: 45*38*10/6cm Cushion Material: Polyurethane Cover material: Mesh Cloth Package List: 1 x Cushion