Specification: Product name: Medical air cushion (square cushion) Fabric: 01-02 smooth surface, 03 flocking surface Size: Inflatable: 41 41cm, Deflated: 47 47cm Color: Beige, Blue, Dark Blue Product performance structure and composition: The medical air cushion is mainly made of PVC cloth, which is tightly heat-sealed, and then combined with inflatable nozzles, cloth covers, (inflatable balls, rubber tubes, and plastic joints). Adaptation range: It is suitable for inpatients and bedridden patients in hospitals. Storage method: Keep it clean when using it, and keep it in a dry and ventilated place after use, and keep it away from moisture. Instructions: Inflation can be inflated with an inflatable ball or other inflation methods. Connect the inflation tube with the inflation nozzle and open the safety cushion inside to inflate and deflate. Note: When using an air pump to inflate, pay attention to pressure control and not exceed the maximum pressure. Clean the air cushion directly with neutral detergent to clean the surface, and dry it in the sun. Prevent sharp objects from puncturing the airbag. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.?Usage Scenario?:Wheelchair Office chair Car Travel Stadium.This cushion can be used while driving, on a office or train, in a wheelchair, in bed, at the kitchen or dining table and at your computer desk in your home or office. ?Easy to inflate?:Equipped with special pump,Easy to use.Fine seaming does not skip stitches, and the feet are fine and not easy to leak. It is recommended to inflate 80 , the surface creases will disappear, and lightly pressing with hands will have obvious resilience. ?Good air-tightness?:leak-tested against the leading seat cushions to ensure your satisfaction. easy to clean. ?Porous design?: Adopt high-temperature thermal compression and multiple vent design to disperse the seat body pressure and accelerate air dredging. ?Selected fabric?: High-quality PVC fabric, comfortable and breathable, durable. Unique self-sealing system allows you to easily adjust the air level and firmness for your specific body type.