ULINE S-1701
The Single-track zipper closure keeps out dirt and moisture, but is not leakproof, waterproof or airtight.
Made of LDPE (Low Density Polyethylene) that is Sulfur free, Amine and Silicone free, Latex free, BHT free (Butylated Hydroxy Toluene), Chlorine free, PVC free. It is acid free and archival safe and meets FDA and USDA requirements. Temperature Range of 20° - 150° F. This bag can be put in freezer, but cannot be quick/flash frozen or used with dry ice. Should not be used for baking, cooking or boiling or microwaves. MVTR (Moisture Vapor Transmission Rates) or OTR (Oxygen Transmission Rates) are not available.