Features:1. LONG-TERM COMFORT: Designed to provide extra support for hips and back, 56 plumps 3D air cells are covered in breathable fabric. This cushion provides excellent lumbar support, helps distribute up to 30% of sitting pressure.2. Durable: Now for the science part, our highly elastic chair cushions are covered with a comfortable fabric that is durable and easy to wash.3. Our design maximizes air circulation, when one cell is compressed, air flows to other cells around it. Thus reducing heat transfer and that uncomfortable office chair feel while supporting your posture; preventis sedentary sweating and delicately supporting your cooked food4. Ergonomic Design: Compared to foam support pads, the inflatable seat cushion is durable and adjustable. It's easy to reach the level of inflation you want, 70%, 80% or even fully inflated, it's your comfort and choice. Hassle-free storage and portability, your posture will thank you for your purchase5. Size: 45*45cm. If you have any question, please feel free to contact us Notice:1.Actual color may be slightly different from the image due to different monitor and light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Size: 45*45cm