... times Microwave safe Patent,2007/19/EC,LFGB approval Food packaging bags with vacuum pump:Item# YL-271 (size: 220*210mm)Item# ... : PEThickness: 0.085mmZipper TopPatented products in ChinaDesigned to work with a handy vacuum sealer togetherReusable bag which is enviromental- friendly ... used for food, such as meat, fish, cheeses, vegetable, fruit and nuts etc, but also can seal photos, types, stamps ...