BARRIER FOIL ZIPLOC BAG 100/PK, Pack of 100

Details

Barrier Foil Ziplock Bag, 6 x 5.5 in. ID. 100/pack. Barrier bags are ideal for storage of materials sensitive to moisture and/or oxygen. The material is a metal foil-covered 4mil polyethylene with a MVTR (moisture vapor transmission rate) that is 1,000 times better than a typical poly bag.