[ Self-rebounding ab roller ] Rollers have a powerful built-in spring recoil to help you stretch and strengthen your abdominal, arm, chest, shoulder and back muscles, cushion incorrect strength patterns and protect you from injury during exercise, suitable for beginners.[ Automatic timing function ] The large smart screen helps you accurately record your workout data in real time by recording repetitions, time and calories to improve efficiency and help you reach your goals
[ With Elbow Support ] Wheel comes with a removable elbow support that allows you to do curls and plank support exercises so you can try a variety of workout methods.
[ High Quality ] Rebound casters are made of durable plastic and metal, the handles are non-slip and comfortable, the load-bearing casters are flexible and quiet and will not scratch the floor