Chinese Cupping Set (12 Cup) made available by us has good quality of plastic cups made with plastic that is resistant to breakage and powerful magnets. Suitable for increasing circulation of blood, the Chinese Cupping Set (12 Cup) is highly affordable. Each Set Includes : Cup with smooth air-locking valvesPistol grip hand pumpExtension tube8 removable magnetic insert probes of 800 gauss (4 blue-biosouth and 4 red-bionorth)