Material: Wedge Pillow for back and leg is made of sponge and cotton,it is comfortable and soft for touching,giving you relaxing feelings. Bed Wedge Pillow: This wedge bed pillow is designed with the R shape suitable for our human being's somatotype theory. Comfortable, gradual slope provides BACK and LEG support,reducing back pain. Sleep Comfortably: Wedge Pillow keeps your leg and knee in place, could be used on a recliner, coffee table and in bed, gives you a good night rest Perfect Altitude: Keeping your legs elevated, the leg pillow is great for relieving knee soreness, leg soreness, and hip soreness, and helping you recover from leg surgery. User: Back Positioning Wedge Pillow is designed for the elderly, bedridden patients, handicap, lower limb fracture patients, due to surgery those who could not move but stay in bed for rest, pregnant women, use in seating for lumbar,back,legs ,belly support.