Brand New 5x5 in plastic poly bags 600 ct MATERIAL: Low/Linear Low Density Sulfur free Amine and Silicone free Latex free BHT free (Butylated Hydroxy Toluene) Chlorine free PVC free TEMPERATURE: 20° - 150° F CAPACITY: Not tested for weight capacity. RECYCLING: Recyclable #4 USAGE: 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. See Leakproof Bags. Cannot use with vacuum machine. See Vacuum Bags. SPECIFICATIONS: Meets FDA 21 CFR 177.1520 Not UPS approved. Not Postal approved. Not clean room approved. Acid free and archival safe. MVTR (Moisture Vapor Transmission Rates) or OTR (Oxygen Transmission Rates) not available. Free of GMO's, fungicides and fumigants.