33/400 White polypropylene (PP) plastic ribbed cap with a plain (no printing) pressure sensitive (PS) liner. The PS liner is foamed polystyrene, which adheres to the bottle’s top opening when the cap is secured. This cap offers high heat tolerance and fatigue resistance due to its PP composition. The cap ensures secure sealing and convenient dispensing after liner removal. It is suitable for various industries requiring reliable packaging solutions. Shipping with the PS liner affixed to each lid ensures product integrity upon arrival.