Product description Features: 1. Attractive design and durable, firm and collision proof material. 2. Transparent body: easy to adjust the inside pressure, and inner treatment are can be seen clearly. 3. Safe and good sealing: smooth circular arc cup edge enlarges the area connecting with skin, which confirm the best sealing. 4. Cup Sizescan fit all the body parts. 5. Easy operation: fire and electricity are not needed, safe and reliable, easy operation. Magnetic therapy + massage dual design: Two kinds of therapy double efficacy This product use of modern high-tech means, within the tank installed components such as alloy magnet, the magnetic energy concentration, the formation of a strong magnetic field, a magnetic beam, which implements the magnetic therapy and can cure effect of the two treatments at an organic whole. No ignition required & safe to use: The ignition need to use safe rotary piston exhaust method replaces the traditional ignition exhaust method, no burns of, safe, greatly convenient for people to use, applies to the hospital, and is suitable for the family. Negative pressure adjustable & Easy to operate: Easy to operate, Negative pressure can be adjusted Tank negative pressure can be adjusted according to the patient's pain tolerance and disease free, more simple and convenient to use and to understand while see, is quick to learn, and can grasp skilled. Transparent tank & Easy to observe: Tanks transparent For observation tanks manufactured nontoxic transparent engineering plastics, easy observation tank skin, easy to master the cupping. Ergonomic design?With human body engineering design according to human body, jar adopts the broad-brimmed special design of circular arc form, relieve the pain, when the cupping, the pot has increased the intimacy when walking tank. Product description Product name: Vacuum cupping Material: High Quality Plastic, BPA Free How to use it: Hand-type Size: 8 models Outside diameter: 1-2cm, 2-2.5cm, 3-3cm, 4-5cm With packaging weight: About 500g Colour: Transparent Package Including: 8* Vacuum cupping 1* Manual 1* Box Cleaning and maintenance Cleaning and maintenance With the cup opening facing left , turn the haandle inward. Separate the piston from the tank. Wipe or washing the inside of the tank. And apply lubricant to reduce piston motion friction. Place the piston into the tank, and align the end with the hole in the bottom of the tank. Reverse rotatiion of the handle to restore the original state.