Gaiam Essentials Ab Wheel

The Gaiam Essentials Ab Roller Wheel provides a quick and effective ab workout. The ab wheel features a large textured non-slip wheel with perfectly smooth rolling glide and extra-strong sure-grip handles for steady motion and control. The roller glides easily on nearly any surface and comes with a supportive foam knee pad, so you can work your core just about anywhere.
 
Ergonomic, sure-grip handles
Large non-skid wheel
Easy-glide roller
Durable construction
Can be used on soft or hard surfaces
Includes foam knee pad with carry handle