The Laddawn  1300 is a  casel of  clear  bottomseal  bags made from low density polyethylene.The Laddawn 1300 Specifications:
Dimensions:  30 x  30"
Thickness:  4 Mil
Shelf Life:  5-10 Years when properly stored
Storage: Store at temperatures less than 120 degrees F. Avoid storage in direct sunlight
Classifications: Approved for use in direct food contact packaging under paragraph 177.1520 of Title 21CRF of the Code of Federal Regulattions without restrictions. Also complying with the Cailfornia Proposition 65 and all applicable CONEG heavy metal restrictions.