They are a good choice for acids, alkali's, solvents, alcohols, oils, household cosmetics, and aqueous products. Price shown is for Amber glass vials and black plastic caps with a general-purpose liner material. Product Description Capacity: 4 Dram (1/2 ounce, 15 ml) Size: 21 mm x 70 mm (.82 x 2.75 in.) Cap Finish: 18-400