Fill this 1 Dram Cobalt Blue Glass Bottle with Black Dropper with your own product, or a small sample of a product you love. The shape is elegant in it's simplicity—the long cylindrical shape is only interrupted at the top by the rubber head of the black dropper. Dark cobalt blue helps to keep the liquids inside from being affected by light, although cool, dry and dark storage is typically recommended for most products kept in drams such as this one. Use this 1 Dram Cobalt Blue Glass Bottle with Black Dropper to store and apply your favorite homemade beauty products, elixirs, oils and medicines.
Closure sizes are expressed using two different numbers.
For example, a closure size of (20/400) has a diameter of 20 mm and fits a bottle with a 400 GPI thread finish.
Some neck sizes are interchangeable. For instance, a 20/410 closure will usually fit on a 20/400 bottle. Also, 410 and 415 are usually interchangeable if the closure is not tamper evident.