30mL Clear Glass Presealed Vials   QUANTITY: 25      Listing Details:  25 unbranded heat resistant clear glass scientific vials/reaction vials  20mm neck opening requiring a standard 20mm aluminum top closure Presealed vials will be sterile and sealed with a rubber stopper and center tear out silver aluminum seal.   Once center tear out is removed, it can not be reattached Glassware is compatible with simple 20mm aluminum seals or tamper evident plastic flip off seals "unsealed" with rubber stopper in place and silver aluminum center tear out seals (in bag) available.  This requires the buyer to have a 20mm standard aluminum seal crimping tool at their location to seal. for listing with tamper evident flip off plastic caps: https://www.ebay.com/itm/176168366569     Cleaning process:     Our glass is hand cleaned and inspected for quality. (*does not apply to OPEN glass listings) Glass is hand cleaned and inspected for defects Machine High Temperature Washed exposed to High Temperature dry heat  ***Please let us know if any glassware does not meet your expectations and we will gladly address any issues.*** Preparation & Shipping time:     We ship within 1-2 days per our Ebay listings, but try to ship same day whenever possible.     Our goal is to same day ship orders of 50 pieces or less same day for orders received by noon EST.     We ship EST by 2pm, and all orders received within a reasonable time before our daily ship will be sent as soon as possible.     Shipping is M-F excluding all US holidays.      ***Please contact with any special requests***