Cryogenic Vial Closure Color Coders - Yellow - 5045-0002

These Closure color coders fit into the top of 1.0, 1.2, 1.5, 1.8, 2.0 and 5.0ml Nalgene Cryogenic Vial Closures. They are made of polystyrene and come in a variety of colors. These closure color coders have a cut-out top which facilitates handling of vials with forceps. They also have a flat surface ideal for writing.