... PS cup Usage: packing yoghurt,juice,beverage,etc aluminum foil lids1,Material :pure aluminum foil2,alloy: 8011(soft)3 ... and rolls Characteristics1, good heat strength with tight and flat sealing 2, leakage resistant 3,fine artwork of printing4 ... sealing PP/PS material containers 5,the material aluminum foil which can be recycled to converse the environment 6 ... 89mm,98mm,99mm,95.3mm,95.5mm. Aluminum foil