Cobalt Blue colored round glass bottles with small neck. Wonderful glass containers for storing cosmetics, herbal oils, essential oils, and so much more. These are especially designed to with stand certain levels of UV contamination, thus being the ideal storage solution for light sensitive compounds.

Thread sizes 1/2 oz (18/400) 1 oz & 2 oz (20/400) 4 oz (22/400) 8 oz & 16 oz (28/400)