1. Adjustable seat cushion width with buckle design allows adjustment according to hip shape. 2. U-shaped hollow and breathable design helps avoid potential issues like poor blood circulation in the buttocks and related conditions from prolonged sitting. 3. Based on real customer feedback, upgraded vent hole design on both sides helps reduce buttock sultriness during long sitting periods, enhancing sedentary comfort. 4. Slow rebound memory foam offers shock absorption, pressure relief, full support, and maintains shape after extended use. 5. Surface pressure relief and buttock shaping features encourage a straight back posture when sitting, promoting a naturally upright and composed appearance. 6. The cushion wraps around the buttocks for sedentary ease, with sunken sides that provide a hand-like supportive feel to release tail vertebra pressure. 7. Specification: - Material: Memory cotton - Color: Black/Grey/Navy blue - Size: About 48*39*14cm 8. Package include: Memory cotton cushion x 1