• Ziploc freezer and storage bags feature double zipper seals to lock in freshness and protect foods from drying out and getting freezer burn • Each individual bag double-wraps your food with 1 • 75 mil thickness • Design combines a protective outer layer with a unique textured InnerCling layer that clings to food, keeping air out, reducing freezer burn and helping to preserve original flavor • Use write-on labels for easy identification • Kosher certified • Microwavable bags come in a convenient self-dispensing carton