SC Johnson - A family company at work for a better world. Power shield technology. Unbeatable protection. Stronger (Bag film tested using ASTM D1709 Dart Drop and ASTM D2582 PPT) than Hefty. Stand & fill. Microwave safe. A family owned company since 1886. Fisk Johnson. Environmental Facts: Bags are recyclable when clean and dry at drop-off bins at participating retailers. Please recycle this paperboard carton.