The Kangzhu 12 cup set is a high-quality cupping set. The cups are durable, light weight, and easy to use. View your treatment area through the transparent cups and adjust pressure with the pump. The cup's rounded edges are comfortable on the skin and create a tight seal. Easily release pressure by pulling on the pressure valve. This set includes 12 different sized cups with biomagnetic points, 1 hand pump, 1 connector hose, 1 cupping manual, and instructions.