... Can be used for packaging food, medicine, accessories and so on 2 Food grade:FDA certification ZIPPER BAG ZIPLOC BAG FREEZER ... , easily open and easily close4 Strongpoint: waterproof, airproof, dampproof5 Write-on label: Make it easy to record6 Available zipper: single zipper, double ... , triple zipper7 Any other size, color and printing are based on clients requirement