Dynalon 628355 Bag with Zipper Seal, LDPE 5 x 8", 2 mm Thick

These heavyweight polyethylene plastic zipper bags are ideal for collecting, storing and protecting laboratory specimens and samples easily and conveniently. Sealed zipper bags keep dust out. Not suggested for use with liquids. Many uses in the lab and industry. Bags lock easily and securely with the zipper locking feature. No printing on the zipper bag allows easier labeling and marking.