The Homedics® Body Flex Back Stretching Mat with Heat offers the ultimate relief after a hard day or tough workout. Lie back, relax and enjoy as precision-controlled air chambers inflate and deflate in sequence to mimic yoga-style stretches. Fully customizable, you can choose from 6 yoga-pro designed routines and three intensity levels to loosen tight muscles, improve flexibility, and relieve back pain. Turn on optional heat for even deeper relaxation and comfort.