Material: PVC 1. Made of high quality PU material one-time molding process, soft and wear-resistant, good elasticity. 2. Often used in patients suffering from paralysis, burns, fractures, traction, surgical treatment or long-term bedding. 3. Ergonomic pressure relief Adaptation to the natural curvature of the buttocks, easy support, care for users, which enables a stable posture. 4. Comes with a bonus air pump Deflate when not in use. It doesn't take up a lot of space and is easy to store or transport. 5. The expandable inflated mouth can be pinched after inflating for a smoother surface. Thickened plastic bottom, more stable and durable. Note: Due to light and screen differences, the color of the item may be slightly different from the picture. beg to be excused. Make sure you don't mind before bidding. Please allow 2-3 cm difference due to manual measurement. Size: as shown Shipping color: blue Quantity shipped: 1