Fast Track Tool For Strengthening Abdominal Muscles Men's And Women's Abdominal Rolls Fitness Equipment For Home Use Features: Double-wheel support + knee pad set, safe and worry-free training: The double-wheel provides stability and support compared to ordinary -wheel abdominal wheels to avoid the of rollover; the thickened shock-absorbing knee pads are included to the knees from floor friction and pressure, making training more comfortable and focused, and even novices can easily ! Accurately strengthen the core muscles and efficiently six-pack abs: The scientific engineering structure directly the rectus abdominis, hip flexors and back muscles, and accelerates core strength improvement through high-frequency rolling and squeezing, while reducing the of sports injuries. 10 minutes a day, help you quickly break through the bottleneck of abdominal shaping and create a clear mermaid line/ line! -grade load-bearing and non-slip, 440 pounds of hard-core durability: high-strength stainless steel shaft core + widened double-wheel chassis, can bear up to 440 pounds (about 200kg), as stable as a without ; EVA rubber cotton handle fits the palm tightly, absorbs sweat and prevents slipping, and can be used continuously without losing your hand, so people with large weight can also use it with of mind. Portable and lightweight, free fitness in all scenarios: say goodbye to bulky equipment! Take it to the office, gym or outdoors, and start burning mode anytime, anywhere. It does not take up space at home, can be stored , and meets fragmented fitness needs. Suitable for both men and women, the choice for home fitness: suitable for everyone from fitness novices to sports experts, with multi-difficulty training plans (such as kneeling/standing), gradually improve core . Product details: The product includes: Waist roll fitness machine * 1 mat * 1