... 4. Stable quality 5. Good Quality Soft Double Aluminum Easy Tear Film WELCOME TO CHANGZHOU HUAJIAN MEDICINAL PACKAGING ... plastics ( PET , PT , BOPP , BOPA etc. ) + Alu. Foil or other materialEg . AL / PE Alu. ( easy to tear ) , ... keeping fragrance , anti-moisture , oxygen / cooking resistant Characters : high compound strength, good heat-sealing & characteristics of less residual solventsAdvantage ...