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 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.
Lab Supplies Lab Starter Pack - 628425 - Bag Zipper Seal, LDPE 6x12" 4mm - Case of 250
100% Satisfaction Guarantee: At Mansion Labs, we want to be sure that the item you choose is the right one for you. Within 30 days of delivery of your order, you may return any merchandise purchased from Mansion Labs in its original condition with your email order confirmation or packing slip. Restocking fees may apply. On items over $275 shipping within the US, we will even arrange free pick up or pay for returns shipping.