Lightweight protection for temporary storage, 100 virgin high clarity polyethylene film, Meets FDA and USDA specifications for food contact, Low/Linear Low Density, Sulfur free, Amine and Silicone free, Latex free, BHT free Butylated Hydroxy Toluene, Chlorine free, PVC free, Temperature range 20 - 150 F, Recyclable 4, Bottom seal, Not treated for printing by end-user, Not recommended for dry ice, Not microwaveable, Cannot be used for baking cooking or boiling, Do not store in sub-freezing temperatures, 3 or 4 mil is recommended for use in a trash compactor, Water-resistant not waterproof, Cannot use with vacuum machine, Meets FDA 21 CFR 177.1520, Acid free and archival safe