1. It can be used to train the abdomen, slim the waist and reduce the abdominal fat when you have the abdominal workout. 2. The enlarged and thickened suction cup enjoys stronger suction, and is durable to use. 3. The fitness equipment which occupies small area and is easy to use. 4. Suitable for home, office, gym. 5. Made of foam and stainless steel tube, durable.