Effective training equipment that tightens the lower abdomen using the movement of water. - Product Name: Jaboon Lower Abdomen Slim Swing - Features: Powerful approach to the lower abdomen with the movement of water - How to Use: Effective just by moving your legs while seated - Design: Simple and easy-to-use design - Support Function: With a function to support the lower body This is a used item, so there is some wear and tear. Please refrain from purchasing if you are concerned about the condition. Thank you for viewing.