Easy to use and carry You can easily fill it by pressing it. When not in use, you can open the exhaust port to discharge the gas, and put it in the storage bag after folding. Convenient for your travel/car/train/home/office/school break. As a neck support, if you buy it, enjoy your ride. With a soft velvet cover it provides you with super comfort, soft, healthy and skin-friendly. This special design allows you to completely relax while sleeping on the go. Inflatable Design This travel pillow is inflated with one button. You can repeatedly press the lower contour of the pillow until the desired inflation is achieved If you want to release the air, please push the double-sealed black air valve provided on the pillow. Material/Size/Package Unlike other air pillows, our pillow is made of strong and durable material - it is based on TPU, not cheap PVC plastic.