One cupping gun, 12 cupping, 2 magnetic heads, one connecting tube, one English manual12 cans, a total of 6 groups * 2 / group. No. 01 tank (2) inner diameter: 5.5cm outer diameter: 6.6cm No. 02 tank (2) inner caliber: 4.7cm outer caliber: 5.8cm No. 03 can (2) inner diameter: 3.8cm outer diameter: 5.1cm No. 04 can (2) inner diameter: 3.4cm outer diameter: 4.4cm No. 05 can (2) inner diameter: 2.5cm outer diameter: 3.4cm No. 06 can (2) inner diameter: 2.1cm outer diameter: 3.0cm How to use the canister: 1. Before use, first lift the upper end of the tank to ensure that the gas is unblocked. 2. After the vacuum pumping nozzle is placed on the upper end of the tank, pull the rod vertically for about 4 times to reach the appropriate negative pressure. 3. Use the end of the can, gently lift the upper end of the can, and the can can be removed. 4, less parts of the human muscles or hairy feet, joints can be used to make a doughnut under the cans to achieve a sealing effect.