Item Type: Automatic Rebound Abdominal Wheel <br>Material: PP, metal <br>Battery: Timer: 1 x 120mAh LR1130 button cell (built in)<br>1、AUTOMATIC REBOUND: Abdominal roller wheel features an automatic rebound design and braking system that uses steel springs to provide a effortless roll. <br>2、ELBOW SUPPORT: Elbow support pads on this abdominal roller wheel provide extra cushioning and support, making it comfortable to use, which help reduce the injury during workout. <br>3、DOUBLE WHEEL DESIGN: Abdominal roller wheel has a wider double wheel design that provides a stable and smoother roll, allowing you to target different parts of your abdominal muscles with precision. <br>4、TIMER FUNCTION: Abdominal roller wheel comes with a built in timer that allows you to track your workout time, making it easy to stay on track and monitor your progress. <br>5、SLIP RESISTANT: 5 layer slip resistant material, anti slip layer, reinforcement layer, shock absorption layer, noise reduction layer, support layer, which provides a quiet training environment.<p>1 x Abdominal Wheel</p><p>1 x Timer</p><p>1 x Support Frame</p><p>1 x Kneeling Pad</p><p>2 x Elbow Support Pad</p><p>2 x Grip Support Tube</p><p>1 x Instruction Manual</p>