Wireded Double Wheels ★ - Larger support area, safe balance and no rollover★ Adjustable Intensity ★ - The larger the angle between the two wheels, the better the effect and the higher the intensity of exercise.★ High-Quality Materials ★ - This rubber pull string will help you get in better shape without the need for a gym membership or the risk of lifting heavyweights. Non-slip bottom wheels, high-elastic rubber ropes, high-strength wheels, foam handles, thick kneeling mats, without hurting knees.★ The Best Fitness Equipment ★ - Best Fitness Equipment Comes with Extra Thick Knee Pad and Comfort Foam Grips; Ideal Men Women Home★ Good Service ★ - If you have any questions or are not satisfied with the Abdominal wheel after purchasing the product, please contact us, we will reply you within 24 hours to help you.