1. Healthy fabric: the cushion is made of skin-friendly cotton fabric which is breathable and moisture-absorbing, soft and delicate, it meets the requirements of environmental protection and human health. It is a breathable office cushion. 2. Memory Rebound: the insert filling is made of slow rebound memory sponge that absorbs the impact, no heat, the unique elasticity of the cushion gives you extra cushioning and softness to the skin, providing a safe and powerful guarantee for comfort and relaxation. 3. Comfortable and gentle pressure: ergonomic 3D curved surface, fully fit and wrapped hips, support properly, protect the tail vertebrae, disperse the leg pressure, keep the blood circulation smooth, let u enjoy the comfortable posture of sitting in front of the computer for a long time, no ass pain and Numbness of legs and feet.