100 bags, in pack.  ARCHIVAL QUALITY: Acid free and archival safe.MATERIAL: 100% virgin low-density PolyethyleneTEMPERATURE RANGE: 20 - 150 F MISCELLANEOUS: * Not treated for printing * Do not store in sub-freezing temperatures. * Will emit non toxic fumes at some temperatures. * Cannot use with vacuum machine. * Water-resistant not waterproof. * Not recommended for dry ice. * Cannot be used for baking or cooking. * Not microwavable. * Cannot be boiled. * Cannot withstand gamma radiation. * BHT free (Butylated hydroxy toluene) * Sulfur free. * Silicon free. * Latex free.