The category is Lids, Bottle Caps, Closures: The category definition for Lids, Bottle Caps, Closures is they seal the top opening of a container. Plastic caps are used for plastic and glass containers, while metal with plastic coating is used for glass; plastic caps are commonly made from Polyethylene or Polypropylene whilst metal caps are usually either steel or aluminium.
Parent categories: Packaging, Advertising, Office & Supply
Related categories: Metallurgy, Plastics, Rubber, Chemicals & Energies