5/8 dram Amber Glass Vials, Orifice Reducers, and heavy duty Phenolic Black Caps (Box of 144) MADE IN THE USAA generous sample for sharing oils or for making travel and first aid kits. Buy in bulk and save big! 5 8 dram holds 2540 drops. Orifice reducer controls oil flow. Amber color protects oils from UV light. Ample size for travel and first aid kits. Details These small vials are the perfect size for travel kits, sample kits, and giveaways at meetings and trade shows. The amber color helps protect contents from damaging ultraviolet light. Made in the U.