Ideal for those who have difficulty sitting or sleeping due to hip, leg, back, or joint pain. Hourglass design promotes proper parallel alignment of the legs, hips, and spine during sleep. Helps to reduce discomfort in the lower back, legs, hips, ankles, and joints. Improves circulation and decreases pressure and strain on the affected areas. Includes adjustable strap to keep pillow securely positioned between legs during sleep. Soft and luxurious grey Velour™ like fabric cover is removable and machine washable.