Polyethylene Zipper Bags, 4 mil, 5 x 7 – #BG-4-57

Conservation Resources offers eight sizes of strong, 4 mil zipper bags at a price comparable to others’ 2 mil bags. These water resistant bags are chemically inert and feature uniform thickness and side seam welds with a reinforced zip strip. They may be used to store archaeological fragments, pamphlets, books needing binding repairs, or a host of other objects in the museum, library, field, or laboratory. Sold in packages of 100.