Description:Item: Metal Cap1.Size: 18mm,Website:http://www.plasticbottlefactory.com,20mm,24mm,28mm,32mm,38mm,40mm,48mm..2.Material: Metal3.Process: Logo engraved, color printing, silk-screen printing,oiling, punching, oxidation...4.Customization: We can open new mold to produce the reqired product as per all customer's request.5.Packaging: PP bag with export carton.Features:1.Any color can be done.2.It is matched with basic standard, also can match some certificates. 3.We also offer the liner to ensure there is no leakage.