Adjustable Height - with Double Air Valve Type Inflatable Pad, You Can Change It Into One Or Two Or Three Layers As You Need, It Can Adjust Height to Become A Foot Rest Pillow Or A Leg Rest Pillow for Adults Or Extend The Flat Area of The Seat On Plane Or Car to Lay Down Or Sleep for The Kids. . Easy Inflate & No Pump - Inflatable Travel Foot Rest Pillow Will Enlarge After 20 Mouth Blows to Deflate Press On The Valve for 10 Seconds and Place In The Carry Bag. The Setting Up Time Is Under A Minute and Will Save You from The Hassle of Using A Pump. . Soft Comfortable Material - This Travel Foot Rest Is Made of Really Soft Pvc Flocking Material Which Is Comfortable and Enviromental Friendly As It Is Dirt and Water Resistant, and Can Be Easily Wiped Clean with A Damp Cloth.Moreover, There Is No Unpleasant Odor and Inconvenience In The Use. . Health Tips - Improves Circulation and Can Reduce Swelling By Raising The Legs. May Help Reduce The Risk of Dvt (Deep Vein Thrombosis) Helps to Relieve Back Pain from Sitting for Long Period of Time. . Lightweight & Portable - The Pack Acsergery Gifted Size Is 14X8X18Cm, The Weight Is 390G Only, This Small Size Is Very Simply and Easily to Carry to Anywhere, But The Inflated Size of This Pillow Is 40X30X43Cm. .