The aum Ab mat is specifically designed to give you the ultimate and most effective abdominal workout. You will be able to target and isolate upper ABS, lower ABS, oblique’s, and even the lower back muscles. One size fits all. No matter if you are a beginner or Pro, you can use the aum Ab mat. Lightweight, just over one pound, makes it easy to store or travel with. Perfect for home, office, gym, cross fit, MMA, boxing, and for other types of training that requires a stronger abdominal core. Full range of motion – comfortable design contoured to generate full range of motion necessary to work the entire abdominal muscle group. Support for your lower back – designed to provide support for your lower back and to help prevent injury variety of exercises – a variety of exercises that isolate upper and lower ABS as well as your oblique’s one size fits all – no need to worry about height or weight differences between users. Compact portable design – no set up required and best of all, you can take it anywhere with you. Measures 14.5″ x 12″ x 2.75″