Feature: 1. 2-wheel design for stability, two wheels hub are coated with ABS materials, make fewer noises and provide more stability. The handle is covered with anti-slip resistant foam, provide perfect grip on the handle. 2. Excellent support with core sliders, the core sliders can engage your core muscles throughout the full range of motion of an exercise while introducing balancing challenge. 3. Long-lasting elastic rope, can provide various kinds of artificially-stretched stretches, which can help to exercise while rebounding. 4. Detachable&removable, the detachable resistance pull rope. Handles are removable for easy storage and transport. You can take it with you or to just be able to store it neatly. 5. Comfortable knee pad can protect your knees from getting hurt. Provide maximum protection and comfort for your knees during the exercise. Specification: Condition: 100% brand newItem type: Fitness Roller SetMaterial: Plastic + steel pipe + PVCOptional Color: blue, green, blackHandle length: Approx. 29.5cm/11.6inRoller diameter: Approx. 20cm/7.8inMat size: Approx. 33.5x16x0.5cm/13.2x6.3x0.2inDouble bearings, upgraded bearing wheels, quiet and smooth rolling.. Package List: 2 x Roller1 x Steel pipe2 x Handle1 x Glue ring1 x Mat2 x Pull strap