Resealable Food Grade Plastic Bags - Zip Close Clear Snap Clip Seal BagPlastic Resealable Grip Seal Bags. Made from low density 40 micron polyethylene (LDPE) these resealable klickseal bags are easy to use and reseal. Sealing is simple and easy with the single track zip closure strip. Features and Uses 40 Micron Red seal Food Grade 100% brand new and high quality Resealable, reclosable design, very convenient to use Every bag can be reused multiple times. Excellent for small parts or supplies for storage. It can be used