1/4 Dram AMBER Glass Vial - Screw Cap w/ Orifice Reducer - Pack of 24 Size:15 mm x 19 mm (0.6 x 0.74 inch); Capacity: 1/4 Dram (1ml) Amber glass prevents from harmful UV rays Ideal for essential oils, perfume oils, or other liquids Lightweight and compact, perfect for travel, conveniently fits in your purse Leegoal bulk packing with good quality warranty