Teeter Hang Ups P3 Back Stretcher Portable back stretcher for realigning your spine and relieving back pain Contoured foot supports secure your ankles while you pull the leverage handles Commonly lengthens skeleton by 1 to 1-1/2 inches to increase flexibility Folds to 20 x 11.5 x 3.5 inches (W x H x D) and weighs 5.5 pounds