Ranbow Core Fitness AB Roller Pro Wheel Home Workout Machine Abdominal Carver with Kneepad & Floor Stopper, Supports 400 lb, Black & Red 100% MONEY BACK - If for any reason you are unsatisfied, you will receive a courteous and prompt refund within 24 hours. Just that simple INNOVATIVE AB ROLLER WHEEL - Workout with Ab Wheel Roller for Full Body Exercise, strengthen & tone abs, shoulders, arms and back MAXIMUM SAFETY - Unique Braking Board design for overall stability of rolling motion, making this perfect for beginners ERGONOMIC PERFORMANCE GRIPS - Our most comfortable hand grips minimize hand fatigue even the hands get lots of sweats DURABLE & LONGEVITY - Most sturdy triangular construction, pursue every detail, making our Ranbow Wheel Roller stability and durable