[【Automatic Rebound Abdominal Wheel】: The abs roller features two-way automatic rebound technology that generates resistance when pushing forward or backward. . Beginners can easily control the roller as it generates power when pulling back. 【Ergonomic Design】: The abdomen wheel adopts a four -wheel design increasing the wheel distance expanding the contact area with the ground effectively reducing the roll and enhancing the stability during exercise. 【Multifunctional Exercise & Fitness Equipment】: In addition to supporting abs workouts this ab roller machine can be used for various exercises like ab tuck ab roller lower body exercise bridge plank and more. It offers versatility and allows for a full-body workout. 【Amazingly Durable & Stable】: The ab roller for abs workout can hold a maximum weight of 330 pounds for your safety. The four-wheel abs roller ensures balance and stability as it does not deviate sideways. EVA rubber cotton handles provide nonslip and comfortable grip. 【Efficient Exercise Equipment】:Unlike big gym machines or heavy weight benches dumbbells and the like the Aiwglenten ab wheel roller is portable size-wise -- a compact design that enables you to take it anywhere to exercise be it your home office gym or outdoors.]