Automatic Rebound Technology Ab roller adopts the latest automatic rebound technology to ensure that you can complete greater training intensity, while the ab roller wheels are equipped with thickened non-slip rubber, its strong bearing capacity to ensure your safety first. Efficient Workout Equipment Different from other bulky exercise equipment, our Ab workout equipment ensures stability while being as simple and easy to use as possible. The whole is easy to assemble and disassemble, easy to carry, and on any occasion can perfectly meet your exercise needs. Beginner Friendly Enough High-quality silent & stable rollers and foam handles ensure that you do not get hurt when you exercise. Auto-rebound abdominal wheels help you complete greater training intensity and accelerate the strengthening of your abdominal, hip flexor, and back muscles. Perfect Fitness Gift The upgraded ab roller wheel can efficiently exercise your abdominal, waist, back, shoulder, and arm muscles while keeping you safe. A perfect gift for your first steps in fitness. Suitable for both men and women, equally friendly to beginners.