Screw Lid Tins These silver tins with metal screw covers can be made of aluminum, tinplate or steel material in Tinpak. This type two-structure round tin’s size is 70*70*21mmH or Customized with first great varnish. We can use this screw lid tin package items on a wide range fields, such as the application of packaging cosmetics, candy, tea, wax candle or other small items.