Features: Material: 0.3mm PVC Color: Grey Size: Approx. 19 \" x 19 \" Maximum bearing weight: 100 kg Can be widely used for: Pain or numbness from prolonged sitting Herniated, bulging, slipped or prolapsed discs Road trips, long flights, sedentary desk work Bruised, fractured, inflamed or broken tailbone Extra cushioning for uncomfortable office chairs Healthy posture and proper spinal alignment Note: 1. When the seat cushion is used and collected, avoid touching and rubbing with sharp objects. 2. It is forbidden to expose the product to high temperatures, which may cause property damage. 3. Check whether the air hole is tightly closed if air leakage occurs. 4. It is recommended that the bearing weight of the seat cushion is within 100 kg. 5. This product is not suitable for use with water filling. 【Pressure Relief Seat Cushion】: This seat cushion can relieve your pressure. If you feel tired when working for more than 5 or even 8 hours, this comfortable seat cushion is your best choice. 【Material and Component】: The waterproof seat cushion adopts the new waterproof PVC cloth technology, the sealed PVC ensures spill protection and makes it easy to clean. Due to the wide sealed edge, this cushion can bear more pressure than similar products. The maximum load capacity is 100 kg. The valve is made of strong material with thick structure, can withstand higher pressure and prevent leakage more effectively. 【Air Cushions have 16 Ventilated Loops】: Designed with 16 loops, a constant airflow circulation system, breathable, comfortable and cradles your buttocks. The holes ensure that body weight is evenly distributed without straining your lower back. 【Adjustable Seat Cushion】: A simple pump helps to inflate the cushion quickly. You can adjust the inflation level to your liking. Deflating is as easy as inflating. You can definitely deflate it and fold it for storage for next use, which does not take up much space. 【Multifunctional and Guaranteed】: This air cushion is best for office chairs, wheelchairs, kitchens, dining rooms, living rooms, sofas, armchairs. Ideal for car seats, truck drivers, trains and airplanes.