Feature: Anti-slip: koło abdominal with reflection with 5 layers of anti-slip materials, including anti-slip layer, reinforcement layer, cushioning layer, noise reducing layer. Automatic Reflection: koło abdominal uses the latest automatic rebound technology, including intelligent auxiliary brake and built-in braking system, ensuring smooth and efficient steel reflection. Double wheel design: koło has wider front and rear wheels for smooth rolling and better control, allowing you to safely exercise each muscle and core while providing greater stability Excellent craftsmanship: made of stable and environmentally friendly plastic with sponge handle, which is comfortable, sweat-absorbing, fade-resistant, durable and low noise. Muscle Strengthening: Men and women can burn fat and firm their body faster with this abdominal reel. Strengthens muscles and adds confidence. Specification: Article type: koło abdominal reflections Material: PP, steel pipe List of packages: 1 x koło abdominal 1 x knee pad 5 screws 1 x hex key 2 x Handrail 2 x elbow pads 1 x Steel Pipe Accessories 2 x steel pipe sleeve 2 accessories