Biomagnetic vacuum idea, fashion technology, perfect to get you back good health. Pure physical therapy which is safe and quick, easy to manage by yourself . View your treatment area through the transparent cups and adjust pressure with the pump. The cups rounded edges are comfortable on the skin and create a tight seal. Easily release pressure by pulling on the pressure valve. Application: Body Item Type: Massage & Relaxation Model Number: Vacuum Cupping colour:white Material:plastic size:37*29*9CM Package Contents: 24* Vacuum Cupping Sets Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.