Perfect for Essential oils, Blends, Perfumes. These small clear dram sized glass bottles are perfect for holding almost any liquid, Essential Oils, Carrier Oils, Serums, etc. and we supply a free funnel to help you fill them! Each Comes with a black polypropylene lined plastic cap. perfect for essential oil storage and other liquids great for serum samples. They Measure . ½" wide x 1¾" tall (with cap). and Hold 1 Dram of oil. about 1ml of liquid (3.7 ml; ¾ tsp). Neck Size: 13-425.