Shape the abdominal wheel of the abdomen: Shape your abs, arms and pectoral muscles. Optimal comfort: You will like the high density foam knee pads to ensure you have the best comfort during all the exercises. Maximum safety: The angled shape of the non-slip grip can provide better grip and the grip of the wheels will help you to exercise. Convenient shape: The shape of these massage elements allows you to use them anytime, anywhere, at home, in the office, in the gym or on the go. br> Widening and thickening, can slide sideways, so that the waist and chest muscles can be stretched, which is more suitable for beginners Avoid excessive arcs of motion and cause strain muscle tension When the abdominal wheel is pushed to a tight state, the rebound function is reset Girls can also easily perform abdominal pushes independently Equipment Environmental protection plastic + thick steel Package include: 1 * abdominal wheel (purple) Pay attention: Due to manual measurement, please allow slight dimensional tolerances Lighting in photography can cause chromatic aberration compared to real life