1. Memory Foam Sit Bone Relief Seat Cushion For Butt Lower Back Hamstrings Hips Ischial Tuberosity Reduce Fatigue Chair 2. Adjustable seat cushion width, Buckle design, you can adjust the width of the seat cushion according to your hip shape. 3. U-shaped hollow and breathable design, Avoid sitting for a long time and cause poor blood in the buttocks. 4. Based on real customer feedback, Upgraded vent hole design on both sides relieve the sultry heat of the buttocks for prolonged periods of time making sedentary more comfortable. 5. Slow rebound memory foam, Shock absorption and pressure relief, full support, not easy to deform after sitting for a long time. 6. Surface pressure relief Butt shaping, when sitting, the back is straight, naturally tall and straight. 7. Wrap the buttocks for sedentary ease, Both sides sunken to wrap the buttocks, release the pressure of the tail vertebra. 8. Specification: Material: Memory cotton; Color: Black/Grey/Navy blue; Size: About 48*39*14cm 9. Package include: Memory cotton cushion x 1