The knee ease pillow helps to ease pain in back, leg, hip and knee areas. The unique foam design promotes proper alignment of the spine, hips and knees to help relieve discomfort and stiffness, and helps enhance circulation. Adjustable hook and loop strap offers an easy fit that keeps pillow in place. Comes with a removable, machine washable white polyester/cotton cover.The knee pillow measures 7" x 4" x 5"