Is this part of the lid suppose to be plastic, or like a rubber

Is this part of the lid suppose to be plastic, or like a rubber

Lee Fisher Sports Bucket Station Lid is perfectly designed for Lee Fisher Sports 5 gallon outdoor bucket. Also, the lid can be fit in most of the outdoor buckets on the market. Slip-resistant rubber base. Prevent slippery on the boat or in the field. Extra storage to put in tools and accessories for immediate use. Food-safe material for the pet bowl, or cleaning hands and food.

Lee Fisher Sports Slip Resistant Bucket Station Lid

Independence Tumbler with Flow Control Lid : for hot, cold liquids

2 Pack Jar Lid Opener Rubber Non Slip Twist Cap Bottle Can Grip Multi Function, 1 - Harris Teeter

PERFECT COMPATIBILITY: Our replacement gaskets are fit perfectly with Takeya originals water bottle with spout lid in both 18oz 24oz 32oz and 40oz

BOSORIO 4 Pack Gaskets Compatible with TAKEYA Originals 18oz 24oz 32oz 40oz Water Bottle, Replacement Rubber Seals Part for Spout Lid(Not for TAKEYA

Elma Plastic Cover / Lid for Beaker, Part No 104 5677

Custom Rubber Caps Protective Cover Rubber Plugs Soft PVC Thread Protection Plugs Square Rectangular Threaded Plastic End Caps - China Plastic Pipe Cap, Cap Round Internal Thread

Large Tote w/Lid and 8 Wheels

Why There Is A Rubber Disk In The Plastic Bottle Caps

How to clean a rubber lid : r/CleaningTips