"Product sellin:Upgraded version, the material is suede and linen.1. This product is designed with a built-in aig, which uses the kinetic energy of the air to automatically adjust the support state according to the owner's sitting posture.2. Regardle of the height + let the barest comfortably, the ordinary waist rest and the raised comfortable seat are fixed, but the height of the person not only allows the air to fill the whole waist, it can soe this proble. Advanced waist support, providing more comfortable and reliable support than ditional waist, reducing ne preure. The point of support changes because of you, suitable support at any time.4. Relieve bapain: Ar using our car barelease, your bapain is relieved, and you are very comfortable and safe to drive home or long-distance driving. When the car starts, the acceleration and sudden start action can cause damage to your back, but with this kind of support, it does reduce the pain, and is designed to prevent and relieve bapain.5. It is suitable for most models, and ordinary car seats can be customized according to the of each person's back. The pre-inflated aig in the lumbar support cushion fills the gap between the backrest and the seat, and the air flows naturally to fit a person's back, promoting dynamic weight sharing between the ne and muscles.Specifications:Material: suede/linenSize: about 31*22*9cmWeight: about 600gColor: red/coffee/black/brown (optional)Features:Prevent and relieve bapain.The pre-inflated aig in the lumbar support cushion fills the gap between the backrest and the seat.Absorb part of the ion generated by car tires and road surfaces.S-curve to keep the ne healthy.Our seat cushions can be adjusted in length.Car seats suitable for most cars, SUVs and trucks.Ordinary car seats can be customized according to the of each person's back.Simple and easy to install.Product list: Car waist air cushion *1"