SC Johnson - A family company. Power Shield technology. Stronger (Bag film tested using ASTM D1709 dart drop and ASTM D2582 PPT) than hefty on punctures & tears. 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. 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.