20 x 24 + 4" Bottom Gusset 2.5mil, Expandable Poly Mailers (200/Case)

Low-Density Polyethylene. Construction: Sideweld Shelf Life: 5-10 years, when properly stored. Store at temperatures less than 120 degrees F. Avoid storage in direct sunlight. This product complies with California Proposition 65 and all applicable CONEG heavy metal restrictions