product: 10ml glass transparent vials with rubber and white tops

20mm flip top cap black

20mm flip top aluminum seals for serum vials, flip off vial cap plastic top flips off to reveal aluminum seal with hole

size: 20mm
1)      D of aluminum: 20.3+0.100mm

2)      D of plastic: 22.2-23.20mm

3)      Height of aluminum: 6-10mm

4)      Total height: 8.7-9.8mm

10ml sterileglass bottle necklace vials injection borosilicate glass

borosilicate glass serum vial with a 20mm neck,better borosilicate 3.3 tubing.sealable with a 20mm stopper and 20mm aluminum seal or plastic aluminum flip off caps(sold separately). 
our vials are manufactured to the highest quality standards, the glass vials are clean, dust free, 
and shrink wrapped to ensure they remain that way. these vials are all sealed in plastic and are completely clean and clear of any silica dust or other contaminants.
these are USP TYPE 1 lab glass(the highest grade available) extremely durable and heat resistant