Specification:Material: PVC, bearing 220 poundsSize: 18"x16"x14"How to use:1. Inflation: The thumb and forefinger pinch the bottom of the nozzle to make it flat, then insert the pump, and the other three fingers hold the pump for inflation.2. Air Pressure Adjustment: According to the actual use needs to adjust the inflation pressure of the air cushion, the bottom of the air nozzle can be flattened to perform the deflation operation.3. Daily Maintenance: Please keep away from hot objects such as open flames when using the product. Do not touch incisive objects. Pay attention to daily cleaning and scrubbing and keep dry.Note: 1. According to the needs of use, appropriate air charging and discharging, adjust the soft and hard degree of the air cushion.2. It is forbidden to directly touch the sharp and hard objects to prevent the puncture and air leakage.3. It is strictly forbidden to fold below zero to prevent cracking. 3. High temperature contact is strictly prohibited.Package List:1 x Cushion 1 x Air pump