KRIYA Ab Wheel abdominal roller ab workout w/ Foam Mat for your Knees THE MISSION: Our goal is to provide quality mobility products at an affordable price to help others with their mobility because I lost mine in a tragic accident. OUR STORY: I was an All-American college swimmer and became paralyzed from the neck down. My girlfriend is a yoga instructor and working on becoming a physical therapist. We decided we could spread mobility awareness by creating a brand that encourages everyone to take advantage of their mobility. Google us! 100% SATISFACTION GUARANTEE! If you have any issues at all, please contact us by clicking contact seller and we will make sure that you are taking care of. Get SIX-PACK ABS- With our abdominal wheel! It's super easy to use and is much more effective than crunches and sit-ups when used properly. The 2-wheel design makes the device a little more stable and easier to turn when working on those obliques! DURABLE, and EASY to CLEAN! The wheel itself is made out of very durable ABS plastic with rubber tread around outside, the center tube is stainless steel, the handles are rubber, and the included knee-mat is a yoga mat material. KRIYA-the ECO-FRIENDLY choice! We actually care, so we made the choice to opt out of using boxes on our last 5000 products produced and counting! So join us in making a difference and enjoy your quality KRIYA product without having to throw a pretty box in the trash. 100% SATISFACTION GUARANTEE! If you are not totally satisfied with your product please let us know why, or not, and simply return your product with no questions asked within 30 days.