Material: Gel Cotton Color: Black Size: 45*36*7 cm Package Contents: 1 * Gel Ice Pad Flexible Support: This hip joint pain relief pillow is made of high quality gel cotton with high density and excellent elasticity. It can be easily reshaped and retains its original shape even after sitting for a long time. Soft and Comfortable: U-shaped ergonomic design, recommended by plastic surgeons and doctors for treating chronic and acute pain. Provide you with a comfortable sitting experience all day long. Pain Relief: Designed to provide comfort by reducing pressure on the lower back, waist, buttocks and thighs. Our office chair cushion can relieve sciatic nerve discomfort and keep you energized throughout the day. The curved design minimizes stress by supporting your hips and providing evenly distributed support. Easy to clean: There is a hidden zipper on the edge of the seat cushion. You can remove the protective cover for cleaning when needed to keep it fresh and clean at all times. Versatility: This orthopedic pillow is suitable for all types of sitting postures, whether at home, in the office or when traveling by car, plane, train or bus. It can also be used for wheelchairs, armchairs, kitchen chairs, tables and chairs or other chairs."