Bottle, Flint Glass, Cobalt Blue, Boston Round, 4oz, with Cap, Pack of 12
22/400 Cap Size. Boston Round, Cobalt Blue Color. GSC International 414-03-DZ Cobalt Blue Glass Bottle with Cap, 4oz, 22/400 Neck. This product isNOT A TOY. It is designed for educational, scientific, or professional use only.

