Features: Ergonomically Designed Elbow Supports : The extra support ab-roller / abdominal wheel is more friendly to beginners. it features ergonomic hand grips and elbow supports that minimizes the involvement of arm muscles while remaining comfortable and stable, focus-can then be put on challenging your cores muscles instead of spending arm-strength to hold on to other regular ab-rollers in the market. SCULPT YOUR ABS: An effective tool to build bigger six pack abs and improve your cores strength. The shorter body leverage improves the effectiveness of ab-exercises and helps to engage and strengthen more minor cores muscles that are usually not targeted with regular ab-rollers. SUPERIOR QUALITY: Training with one of the most effective pieces of home exercise equipment available. This Ab-Wheel is made of strong, durable material to ensure it can stand up to the most intenses workout sessions. SCULPT YOUR ABS: An effective tool to build strong and bigger six pack abs and improve your cores strength. The shorter body leverage improves the effectiveness of ab-exercises and helps to engage and strengthen more minor cores muscles that are usually not targeted with regular ab-rollers Multiple Muscle Training - This Ab-roller allows you to target and intensely exercise multiple muscles on your body, including your back, abs, arm, thighs and toes. After a period of consistent use, your muscles will become very strong and flexible in many parts of your body. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material：Plastic Package List: 1x Automatic Rebound Abdominal Wheel