★[Most Comfortable Memory Form Seat Cushion on the Market]---Designed with the highest quality fabric that snuggly fits over the foam cushion and is easily removed for cleaning. 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. ★[Assists You in Relief & Seat Comfort]---Our Coccyx Seat Cushion 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. ★[Relief at Last & Never Flat Out]---The ROYI Memory Foam Wedge Cushion for Yourselves is crafted with the highest quality materials designed to provide you comfort and value, reducing pressure on your lower back and coccyx, while promoting proper posture and spinal alignment. Memory foam that does not flatten out. ★[New Design & 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. ★[Easy Care & Lightweight for Carrying]---It's breathable, velour cover is 100% Machine Washable and easily removed, through its sturdy zipper, for hassle-free cleaning! BUILT-IN HANDLE for easy transport.zippered velour cover for EASY CLEANING