More DetailsDoctors and physical therapists often recommend elevating your legs to soothe painful lower back and aching legs. If this is the case with you, this may be the perfect solution. The wedge provides full support to your knees, thighs, and calves. Relax and watch the pain subside. The wedge is 24" L x 19"W x 8" H. It comes with a white washabble cover. Cover is zipped for easy removal.