4 (four) pack of Black phenolic 20-400 lids with PP polycone liners. These caps come with a polycone liner, a built-in polypropylene (PP) natural-colored conical-shaped liner that provides a tight seal. These lids are made of phenolic, an industrial grade, highly rigid, plastic with a good resistance to solvents and high temperatures.
These closures fit a container with a 20-400 neck finish.
