MAXIMUM RELIEF AND COMFORT Ultra premium memory foam layered with soothing gel technology provides ultimate support and comfort New larger design with more gel coverage than other gel cushions Designed to relieve pain and tension from the lower back coccyx tailbone hip spine and sciatic areas Firm density provides extra support DURABLE 100 Premium therapeutic grade memory foam combined with gel Will not flatten out with prolonged use Nonslip bottom ensures the cushion stays in place and will not shift or slide on any surface ERGONOMIC Promotes good posture spine alignment and healthy weight distribution for hours of comfortable sitting USE ON ANY SEAT Superior comfort for any chair bench car seat plane seat or wheelchair EASY CLEANING Removable velour cover is machine washable for easy cleaning