This inflatable pillow is a great idea for bedridden, disabled, elderly, side-lying people, shoulder arthritis, spinal degenerative arthritis, zero gravity sleepers, etc. Fix body position and bearing weight. Let you lie down and sit comfortably. It uses lightweight material design, when not in use can be easily folded or compressed to a very small size, easily into backpacks, handbags and even clothing pockets, does not take up too much space, perfect for long trips, outdoor adventures, office naps or hospital visits. Portable Pillow Inflatable Cushion This pillow can gently lift and relieve your head, back, knees, legs, buttocks and feet when you Sleeping, reading and rest.