[Automatic Rebound Abdominal Wheel]: Our abdominal wheel adopts an automatic rebound wheel with a built-in high-elastic silent spring design, which can accumulate strength during the forward roll and rebound process and help reset. The automatic rebound function also helps to provide a stable system to protect you from injury during exercise. [Ab Roller with Elbow Support]: Our upgraded ab roller with elbow support design enhances stability during workouts, reduces lateral movement and prevents arm compensation. This allows for more precise and efficient activation of the abs. With our ab roller, you can focus on training your abs and core without worrying about arm fatigue or injury. [Double widened wheel design, stable and safe exercise]: Our ab wheel adopts a widened two-wheel design, increasing the wheelbase can expand the contact area with the ground, effectively reducing lateral swaying, and can provide enhanced stability during exercise Resistant, very suitable for beginners. [Multilayer Wheels and Handles]: Our ab wheels are made of multiple layers of high-quality materials, including anti-skid layer, reinforcement layer, damping layer, silent layer and noise reduction layer. The removable handle features thick foam for a comfortable grip, sweat absorption and easy storage. Thickened foam pads are designed to provide extra protection to the elbows during long workouts to prevent injuries. [Get Six Pack Faster and More Efficiently]: Our ab roller is must-have core workout equipment that helps tone and shape your arms, chest, abs, back, butt and leg muscles. With the automatic rebound function, this amazing ab roller set can help men and women burn fat faster and get six pack abs Whether you are a beginner or a fitness enthusiast, our rebound ab wheel is the perfect tool to help you achieve your fitness goals. Colour:black Material:plastic+metal Package Contents: 1 x Ab Wheel 1 x Kneeling Pad Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.