The ab roller wheel is one of the simplest and quickest targeted exercise devices to strengthen your abs, chest, shoulders, arms, and back. Rather than doing endless ab crunches and sit-ups, you can get six-pack abs, enhance core strength, and stretch those muscles which are hard to reach with the help of the ab roller wheel. Features: - Dual-wheel design, more stable and controllable - Durable construction with high-quality plastic discs and stainless steel shaft - The stripes on the surface of tires prevent slippage - Non-slip foam handles, safe and comfortable - Easy to assemble and take - Perfect for all fitness levels What's in the box 1 x ab exercise wheel roller - Green