Black Plastic Lid 63-400 F217 liner (1200pcs).
The black PP (poly propylene) 63-400 ribbed skirt lid with F217 liner. This closure includes a F217 foam liner, which will create an airtight seal when the lid is securely screwed on to the container. This lid is made of polypropylene (PP), which means it has a high heat tolerance level and an excellent resistance to fatigue. This closure fits a container with a 63-400 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. Fits 6oz Glass Jar Straight Sided.