Stronger (Bag film tested using ASTM D1709 Dart Drop and ASTM D2582 PPT. Hefty is a registered trademark of Reynolds Consumer Products, LLC) than Hefty on punctures & tears. Power shield technology. Unbeatable protection. Stand & fill. Microwave safe. Strong enough to use again. Fill, use, repeat. Stand & fill bottom for easy organization. A family company since 1886. -Fisk Johnson. how2recycle.info. www.scjohnson.com. www.ziploc.com. Learn more at: www.scjohnson.com. For product information, storage tips and recipes visit us at www.ziploc.com. Questions? Comments? Call 800-558-5252 or write Helen Johnson. BPA free (BPA is not used to make polyethylene). Carton made with 100% recycled paperboard. Minimum 35% post consumer content. Bags made with wind power. Environmental Facts: Bags are recyclable when clean and dry at drop-off bins at participating retailers. Please recycle this paperboard carton.