2.Vials with integrated Micro-Insert are available. 3.11mm hand crimper & 11mm Decapper. 4.Vials have a 40% larger opening than standard opening aluminum seal vials. 5.Vials are manufactured of Clear or Amber borosilicate glass. 6.The standard 12x32mm profile is compatible with 11mm aluminum seal closures. Polymers | Aijiren