The Cap is a black PP plastic 20-400 ribbed skirt lid with polycone liner. This closure includes a polycone liner, which will create an airtight seal when the lid is securely screwed onto the container. This lid is made of polypropylene (PP), which means it has a high heat tolerance level and excellent fatigue resistance. This closure fits a container with a 20-400 neck finish. The first number refers to the diameter of the container’s opening (in mm). The second number refers to the thread/style/depth of the closure’s skirt.
Black PP Plastic 20-400 Ribbed Skirt Lid With Polycone Liner
The lid with insert has a good seal, matches 20-400 necks finish Boston Bottles, black color, with a ribbed skirt.
