Product Overview
BLACK Polypropylene Cap
Polycone Liner
20-400 Neck Finish
Fits 30ml & 60ml Boston Rounds
Our caps form an exceptionally tight seal and offer a good chemical barrier. The liner molds itself around the sealing areas of the finish as the cap is screwed on. This virtually eliminates leakage, evaporation, contamination, binding and backing off. Great for everything from liquids, oils, soaps & more.
