Fitness Roller Wheel Abdominal Training Gym Exercise Equipment Core Workout Pro Ab Roller Wheel: Made of high-quality ABS plastic and resin more environmentally friendly and durable ergonomic handle design can effectively prevent slippage. The wheels are wider than the conventional models on the market which can help you keep your training balance withstand more weight and not hurt the carpet and wooden floors. Can automatically brake and rebound which can effectively prevent excessive force caused by strains for any stage of the trainer or crowd including teenagers men and women and beginners. The pattern on the wheels provides effective non-slip quiet and smooth-rolling without damaging the wood floor surface and carpet. Whether you want to exercise or want to add muscle this wheel can help you do your best. Fitness Roller Wheel Abdominal Training Gym Exercise Equipment Core Workout Vibrant Green Dimensions: 8.0 inches (H) x 7.0 inches (W) x 7.0 inches (L) Weight: 2.0 pounds Fitness Roller Wheel Abdominal Training Gym Exercise Equipment Core Workout Vibrant Red Dimensions: 8.0 inches (H) x 7.0 inches (W) x 7.0 inches (L) Weight: 2.0 pounds Fitness Roller Wheel Abdominal Training Gym Exercise Equipment Core Workout Classic White Dimensions: 8.0 inches (H) x 7.0 inches (W) x 7.0 inches (L) Weight: 2.0 pounds Made in China