Picture may be of different size or flavor

Ab Core Mat Description from Pro Source
ProSource Abdominal Ab Exercise Mat Core Trainer 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 ProSource Abs Mat. Lightweight, just over one pound, makes it easy to store or travel with. Perfect for Home, Office, Gym, Crossfit, MMA, Boxing and for other types of training that requires a stronger abdominal core.

-Provides a full range of motion to workout all of the abdominal muscles
-Specific arch design naturally curves to your lower back allowing for a more effective sit up
-High density foam gives perfect support
-One size fits all