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. Sedentary depression wraps the buttocks on both sides when sitting down, the buttocks on both sides are stressed first, and the center of the buttocks relieves the space and fits moderately soft and hard 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 cushion on the buttocks can make the back naturally stop stretching and maintain a correct sitting posture. Effectively correct the bad sitting posture of modern people. The washable jacket 3D air layer fabric is breathable, wear-resistant and textured Product Category: Cushion Size: all size Style: modern and simple Colour:A: grey Material:Cotton Size:40 x 30 x 7cm Package Contents: 1 x cushion Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.