ALWSCI 1 Dram Amber Glass Vials, Small Liquid Sample Vial, 15X45mm 4 ml Borosilicate Glass Empty Vials with Caps, 13-425 Black Screw Caps with PE Liner, Pack of 20
Vial Material:Amber Borosilicate Glass, hard and durable, long-lasting, can be used repeatedly
Vial Capacity: 1 Dram ( 0.135 fl oz) 15mm(0.59in) x 45mm(1.77in)
Leak-proof Screw Cap: 13-425 Black Screw Cap with PE Liner
Application: Used for lab testing, this vial is also widely used for storing liquids, powder, seeds, specimen,skin products ,oil, and small objects etc. Air doesn't get into the vial, don't worry about deterioration.