1. Fastened by buckle to prevent rebound 2. Adjustable suction power, four gears can be adjusted freely 3. The seal of the card slot does not fall off, and the sealing performance is stronger 4. Vacuum negative pressure, strong suction 5. Pull ring design, can be pulled and hung more comfortable and convenient 6. Material: PP 7. Composition: tube body/rubber piston/push-pull rod 8. Capacity: 30ml 9. Weight: 18 grams 10. Note: In case of special emergencies, please seek medical treatment in time. The poison extractor is only an auxiliary function!
