puredown X Large Seat Cushions, 1 Pack Gel Office Chair Pads with Non-Slip Backing, Tailbone Pain Relief Cushion, Washable Car Booster Seat Cushion, 19" x 15" x 5"Brand: puredown Color: Dark Grey Features: Ergonomic Design Pain Relief for Prolonged Sitting This cushion is thoughtfully designed with an ergonomic structure to perfectly contour your body, alleviating pressure and pain in the hips, lower back, and thighs. Whether working, studying, or relaxing, it enhances your sitting experience for hours on end. Optimal Support Soft Yet Firm Made with high density one piece foam, this cushion strikes the perfect