Material:aluminum foil with PE laquered suitable for paper cup feather: firmly sealed and easy tear usage: Packing ... milk,etc aluminum foil lids for packaging1-Material: pure aluminum foil 2-Alloy:8011(soft)3 ... -UV-Resistance6- Oxidation Resistance 7-Laminated with PE film ,suitable for PE containers ,widely used for packing yoghurt ,juice,beverage,butters,honey,jelly ...