18-400 Black PP Cap | 25 Pack

Our standard 18-400 mm caps are the most economical cap for our 1/2 oz Boston Round Bottles and are suitable for most applications. This cap is not approved for corrosive materials and can not be used in an autoclave. The standard F-217 foam liner ensures that your product is contained and secure. Whether used for packaging cosmetics, pharmaceuticals, or other products, these 18-400 Black PP Caps combine functionality with a polished appearance, making them an essential component for your packaging needs.

Looking for a matching bottle?

With a 18-400 cap finish, these caps are specifically designed to fit our 1/2 oz Glass Boston Round Bottles.