This leg wrap eases muscle fatigue, relaxes muscles & simulates pumping exercise to bring new life to worn out legs! It provides a non-invasive and comfortable compression treatment right in your home. Just put the boots on, press a button and they instantly inflate and deflate to gently and deeply engage key pressure points and help improve blood circulation to rejuvenate tired and sore muscles. In just minutes, fatigue and tenderness melt away leaving your legs feeling refreshed. Fits thighs up to 23". Can use top & bottom separately or together. No medical claims expressed or implied.