Features:Automatic Rebound Design:The roller is designed with easy-glide automatic rebound technology reducing wheel swing and helping you control your exercise. You can work out any time and anywhere make your fitness more efficient.Automatic Rebound Abdominal Wheel:It can be used to crush fat help you shape your body. It can help stretch and exercise the abdomen arms chest shoulders back muscles and get six pack abs and the sport wheel will help strengthen your core strength.Workout Your Whole Body:Widened double wheel automatic rebound; triangular structure stable and safe and ergonomic. The double spring strong rebound design enhances the strength and clarity of your abdominal muscles back arms chest and shoulder muscles. It also helps burning your calories to shape a better figure.Premium Material:This springback wheels roller is made of stable plastic with a sponge handle that is non-slip sweat-absorbent and comfortable. It also has an automatic rebound feature for added safety. The handle is easy to remove or install making it more convenient to carry.Strength & Abdominal Exercise:This is a great birthday gift holiday present or anniversary gift. Ab roller wheel helps build your muscle and sculpt abdomen waist back shoulder arm and core effectively. Perfect for home the gym or the officeSpecification:Material:plasticsWidth of wheel:105mm includes: 1*Automatic Rebound Abdominal Wheel