Material: PVC Size: inner diameter: 16 * 10cm, outer ring diameter: 33 * 27cm Colour blue Quantity: 1 piece Package content: 1 * inflatable bed pan 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.