1. Slow-rebound memory foam cushion is the preferred curve buttock design for sedentary people in the office, and the slow-rebound memory foam inner core keeps your buttocks in an S-shaped curve at all times 2. The sunken wrapping supports the buttocks on both sides to bear the force first when sitting down, giving the center of the buttocks a buffer space, fitting the curve of the buttocks, and shaping the beautiful buttocks 3. Hollow ventilation and dehumidification The hollow can keep the air in the buttocks smooth and give the buttocks a refreshing and hygienic environment. It solves the hot and humid airtight problem of long-term sedentary people. 4. Ergonomically designed with a special "hip design", which is sunken and wraps around the buttocks to avoid hidden diseases such as hemorrhoids caused by poor blood flow in the buttocks caused by sedentary pressure. 5. Correction of bad sitting posture conforms to the ergonomic structure, and the uniform support force of the seat