Product Description Material: polyester fiber + Lycra Size: 46 * 41* 30 cm Operating temperature: -25 degrees Celsius -70 degrees Celsius Color: black, gray, blue Quantity: 1 piece Package content: 1 piece * Inflatable cushion 1. Long-lasting comfort: Specially designed to provide extra support for your hips and back, with 42 plump 3D air cells covered with breathable Lycra fabric. This pillow provides excellent lumbar support that can help distribute the pressure from sitting up to 30%, reducing pain and discomfort. 2. Ergonomic design: Compared to foam support cushion, the inflatable seat cushion is durable and adjustable. It is easy to achieve the desired level of inflation or even fully inflated. 3. Fresh and Dry: Our design maximizes air circulation, when one cell is compressed, the air flows to other cells around it. This will reduce heat transfer and the uncomfortable office chair feeling while supporting your posture; prevents sedentary sweating and gently supports your delicate laundry 4. Class A anti-slip effect + highly elastic Lycra This pressure-reducing seat cushion is made of highly elastic Lycra, which can come into direct contact with the skin. The fabric is smooth and comfortable, with good crease resistance and so the hips can breathe freely. There are more than 40,000 Class A anti-slip particles on the bottom of the pillow, and the anti-slip effect reaches a level. 5. Carrying around Inflatable air cushions are easy to inhale and carry, suitable for any car seat, wheelchair, office chair or computer chair, home chair or seat on public transportation, such as airplane, subway, bus and train elderly kayak medical motorcycle air travel.