The AbMat is a totally one-of-a-kind abdominal exerciser and core trainer because it offers: * The full range of motion necessary to work the entire abdominal muscle group. Crunch exercises and most equipment fall short of the AbMat! * A variety of exercises that isolate upper and/or lower abs, as well as the obliques and lower back muscles. * A safe, comfortable design contoured to your lower back to provide support and to help prevent injury. * One size fits all! There is no need to worry about height and weight differences between users. * No more balancing! Unlike fitness balls, the AbMat won/'t roll or wobble on you, so you can focus on your workout * A compact, portable design that requires no set-up or tear-down. Take it with you anywhere! * A product made in the U.S.A. Find out what many professional athletes and fitness experts already know. The AbMat ab-literates the competition!The ultimate core trainer strengthens your entire abdominal chain, obliques, and lower back. It supports your spine and puts you into the proper position to perform each exercise. It's portable, durable, and scientifically proven to work. It comes complete with an instructional manual and workout program.