Need a little extra lumbar support while traveling or working? Turn to the BackBooster inflatable lumbar cushion, which is ideal for airline seats, train travel, car seats, desk chars, beach chairs, and just about anywhere else. The BackBooster is made of high-quality, waterproof PVC, with an adjustable nylon strap and plastic clips for added stability. It also features no metal parts whatsoever, so you needn't worry about security delays at the airport. And thanks to the patent-pending design, the back booster cushion inflates in just a few breaths and then deflates to pocket size.