We specialize in surplus lots.   This is a brand new 10,000 piece lot/box of Violet 20mm flip top seals for use with 20mm serum vials in combination with 20mm stoppers (sold separately).   They provide airtight seals when used in conjunction with 20mm rubber stoppers (sold separately).   Plastic top flips off to reveal aluminum seal with hole.   These will come in the original manufacturer's box as shown.   The box may have been opened for photographing and/or further packing material protection.  Manufacturer is West.   Buy with confidence, check our feedback.   

We ship UPS ground with tracking.  Buy more than one and save with bulk discounts.

** NO RUBBER STOPPERS INCLUDED WITH THESE.   WE SELL THOSE IN A SEPARATE LISTING. **