Feature: 1. Thick Fabric: Breathable and comfortable in summer, not easy to sweat, and hard bottom in winter; leak proof rubber pad on the bottom and soft plug on the outside. 2. Breathable and Comfortable: The use of high quality fabrics, concave convex vent design, disperse the pressure on the buttocks, and accelerate the air circulation in the buttocks and thighs. 3. Relieve Pressure: The air layer in the cushion can effectively eliminate the pressure of soft tissues and effectively relax the buttocks. It relieves sciatica and is very suitable for long term sitting. 4. Square Inflatable Cushion: About 48 x 48cm / 19 x 19in, large size cushion, this inflatable cushion can add comfort to any chair, bench or stadium seat. 5. Application: The small ring shaped holes ensure that the body weight is evenly distributed without putting pressure on the waist. Suitable for office, wheelchair, travel, cars, etc. Specification: Item Type: Square Cushion Material: PVC + Flocking Size: Approx. 48 x 48cm / 19 x 19in. Package List: 1 x Seat Cushion1 x Inflator