contour legacy leg & knee foam support pillow - soothing pain relief for sciatica, back, hips, knees, joints - as seen on tv contour larger leg pillow size cushions both knees and thighs. helps alleviate pain points in back, hips and knees for all night comfort. the natural alignment stabilizes pelvis and lower back. the tapered edges give your knees full range of mobility to allow you to move freely throughout the night. includes removable, washable cover.