Dynalon Bag Zipper Seal, LDPE 9x12" 4mm

Dynalon bag zipper seal, ldpe 9x12" 4mm; these heavyweight (4 mil & 2 mil) 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 w/ liquids. Many uses in the lab and industry. Bags lock easily and securely w/ the zipper locking feature.no printing on the zipper bag allows easier labeling and marking - DYNA