1. QUALITY MATERIALThe wedge pillow is designed with PVC and flocked surface. The soft and non sharp flocking surface gives the leg elevation pillow firm and comfortable characteristics, and helps to maintain a certain temperature required by the legs. Elevation pillow has no harmful chemicals, no peculiar smell, passed 24 hour leak proof test, without worrying about air leakage or safety problems. It is good for your health by helping you raise your feet above the level of your heart when you sleep. 2. ALTITUDEKeeping your legs elevated, the leg pillow is for relieving knee soreness, leg soreness, and hip soreness, improving circulation, and helping you recover from leg surgery. It can hold a lot of air to obtain comfort, reduce leg swelling or reduce back pressure. 3. COMFORTABLE TILT ANGLE45°inclination. Ergonomic design. The leg elevation pillow outlines the natural curve of the calf. It realizes the alignment of the spine and tailbone, improves blood circulation and varicose veins, it also supports your ligaments and muscles. And the leg rest experience zero gravity can promote overall healthier sleep posture, improve sleep quality. 4. WIDE APPLICATIONThe leg pillow for sleeping can be used as daily sleep leg pillow, knee pillow, pregnancy aid pillow, body wedge pillow, postoperative comfort pillow, etc. The correct elevation angle can improve blood circulation and help recover from fatigue faster.