... Microwave,freezer safe Patent,2002/72/EC approval Plastic vacuum bags for food storage with top zipper lock:Item# YL-271 (size ... *340mm)Material: PE/PAThickness: 0.085mmZipper TopPatent in ChinaFor use with a handy vacuum sealerReusable bag which is eco-friendly, Not ... used for food, such as meat, fish, cheeses, vegetables, fruits and nuts etc, but also can seal photos, types, stamps ...