Silicone stopper, solid, Øtop 52,4mm, Øbottom 44,5 mm, h 25,4 mm, 10 pcs

Borosilicate glass USP type I, wide mouth and flat base. Designed to be used with plastic snap top caps. These caps eliminate the need for crimping. They simply snap over the top of the vial, sealing the contents safe inside