①. Loading capacity: The core training ab roller can bear a load of 150 kg, ensuring its sturdiness and safety. You can use it in different positions, such as sitting or bending over. ②. Variable Application: The abdominal wheel roller for core training can move 180 degrees and rotate in all directions, which allows you to exercise your abdominal muscles, buttocks, biceps, etc. ③. Anti-slip Abdominal Wheel: The Abdominal Wheel has an ergonomic curved groove handle, which is easy to grip. They are safe to use and feature a non-slip design. ④. Add knee pads: The ab wheel roller comes with knee pads to protect your knees from injury and discomfort. You can use knee pads on thin carpet, synthetic grass, linoleum, or a gymnasium. ⑤. Silent abdominal wheel: The silent design of the abdominal wheel allows you to have a quiet fitness night. The lack of noise means you can put all your energy into your core workout. It won't bother other people. ⑥. Specification: Name: Abdominal Roller; Material: ABS; Color: pink/green/black; Diameter: Approximately 28.5 cm (11.2 inches); Weight: approx. 620 g. ⑦. packing list: 1 abs exercise wheel. ⑧. Notice: Due to lighting effects and shooting angles, some products may have color differences, please understand. Due to manual measurement, there are certain tolerances in product dimensions.