Vibrating Back Support Yoga for Back Care DVD

This memory foam cushion???s optional battery-powered massage relaxes stiff muscles in addition to providing orthopedic back support and comfort. A vertical channel allows the back to be supported without putting pressure on the spine; tapered shape reduces pressure on hips; wrap-around sides provide lateral support. Attaches to any chair; works in the car. Includes bonus Yoga for Back Care DVD (60 minutes). 20"H x 14"W x 4"D. China.