28-400 Black PP Plastic Ribbed Skirt Lid with Foam Liner

This is a 28-400 black PP plastic lid with a foam liner. This lid includes a foam liner that creates an airtight space when the lid is securely screwed onto the container. This lid is made of polypropylene (PP), which has a high level of heat resistance and good fatigue resistance. This lid is suitable for containers with a neck surface of 28-400. 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.