20mm Rubber Stopper, Serum Vial Stopper, Lyophilized Round Bottom Stopper

20mm Rubber Stopper, Serum Vial Stopper, Lyophilized Round Bottom Stopper 

ready to sterile or ready to use

Butyl Rubber Stopper

Size: 20mm

1. product: flip off cap

2. material: aluminum strip + polypropylene

3. size: 20 mm

4. color: red, blue, green, black, white....variety 

5. logo can be printed on flip off caps

6. we make customized vial seal cap according your design

7. the flip off caps are in stock, ready to ship, order small quantity for test, so you can reduce your risk and warehousing cost. short fulfill time. 

8. free samples are provided

9. you will get factory price directly

10. on-time delivery and response in 24 hours. you can contact us in many ways-email, whatsapp, website message, inquiry

11. various payment methods are acceptable

12. wholesale order ship by express shipping company, large order by sea, train.