The Design of Charging Arc Top Makes The Movement More Comfortable: Multi-layer materials, thickened load-bearing mechanism, three-point support, and slope unloading make the movement more smooth and comfortable. Silent noise reduction, automatic rebound, with mobile phone bracket design, sports, listening to music and watching videos without delay.Excellent Workmanship: Made of durable ABS, workout equipment designed with roller that imitates the tire texture. Multi-layer composite material ensures excellent anti-skid and wear-resisting performance without scratching floor, the bearing roller is not only flexible but also more quiet. With a triangle structure for stability and non-slip handles to provide comfort. The abdominal wheel provides excellent fitness equipment for strengthening muscle groups.Tank type double wheels have strong stability: The double wheels can slide on any surface without slipping. Moreover, the widened flat roller and the texture of the anti-skid tire are stable enough to make the movement more reassuring. Double wheel design provides more stability than single wheel design, which will help you complete a long series of daily movements more easily and reduce the risk of injury.Removable Handle: The handle is easy to remove or install, making it more convenient to carry. You can use at home or take with you to the gym or to exercise anywhere. Free sports kneeling pads: Knee pads provide maximum protection and comfort for your knees.Strength & Abdominal Exercise: Exercise core muscle groups such as abdomen, waist, back, shoulder, arm and lower limbs, effectively exercise muscles and joints, and contribute to overall exercise and weight loss. Perfect for home, the gym, or the office! You can work out any time and anywhere, make your fitness more efficient.Specification:Type of sports: Strength TrainingFunction: Waist & Abdomen ExerciseType: Double-WheeledModel Number: AB WheelProduct material: ABSProduct color: Black blue, black red, blue grey (optional)Package size: 370x350x140mm/14.57x13.78x5.51inProduct weight: 1370gNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!Please allow 1-2cm measuring deviation due to manual measurement.Package includes:1 X AB Wheel1 X Kneeling Pad