XXXX Corks function as a closure for bottles, vials, laboratory and other openings.
- Regular length taper
- Assorted sizes
The XXXX premium grade corks have fewer lenticels (crevices) than standard grade
Selected grade of fine textured corks. Sizes 22 through 30 have cemented construction.
This means they are better suited for use as laboratory corks and for transporting many kinds of liquids.