Ranbow Versatile Folding Abdominal Wheel Workout Equipment, 2-wheeled Mute Home Gym Exercise Fitness Ab Roller Wheel Load up to 400lb For any reason unsatisfied, you will receive a courteous and prompt refund within 24 hours. One Year 100% Quality Satisfied for our Ab Fitness Wheels Unique foldable & detachable design make it a fashion portable Core Carver Workout machine for home / office / gym / travel use. No space required Workout with Ab Wheel Roller for Full Body Exercise, strengthen & tone abs, shoulders, arms, and back. Effectively develop & strengthen stomach area Most comfortable grips minimize hand fatigue even the hands get sweats, ergonomic angles design help increase arm activation and shoulder stability Most sturdy plane construction, utilizing the triangle stability; golden ratio of wheel spacing, , making our exercise wheels stability and durable