Feature: 1. Abdominal Wheel: The newly designed Ab wheel is stable and can slide in any direction within 270 degrees, stimulating the abdominal muscle groups in all directions and from multiple angles for a deeper abs workout. 2. Multiple Training Methods: When using this ab strengthening tool, you have the option of holding it or placing your knees on the ab strengthening plate. Both of these training methods work the abdominal muscles and accelerate the strengthening of the abdominal muscles through different types of exertion. 3. With Protective Mat: Equipped with knee mat and elbow mat, effectively disperses the pressure on your knees and elbows during exercise, reduces the discomfort caused by friction, and protects your knees and arms during exercise. 4. Material: The frame is made of ABS with a frosted non slip surfaces design on the outer layer. While durability, it also provides you with a comfortable using experience. The rollers can slide smoothly in any direction, allowing you to work out your core muscles without any worries. 5. Easy to Place: Compared to the traditional ab wheel that needs to be installed before use, the new design of the ab wheel does not need to be installed. You can use it directly at any time and place, such as your home, office, gym. The one piece design makes it easy to carry and store. Specification: Item Type: Abdominal Core Coaster Material: ABS. Package List: 1 x Ab Wheel 1 x Knee Mat 2 x Push Up Pad