<b>Material:</b><br>The bags are make of high-quality aluminum foil and plastic. Durability and safety to you.<br><br> <b>Feature:</b><br>The self-sealing pouches maintain dry with its excellent air-tight design and ensures the food free of bacterium,moisture,oxygen. Long-time preservation for food.<br><br> <br><br>The Transparent Front Design: The transparent surface, notch, stand-up design are suitable for you to display your products at store or home.<br><br> <b>Usage:</b><br>Perfect for storing and packing baked products,candies,chocolates,cookies,confections,jerky,seasonings,snacks,coffee beans,herbs,tobaccos, salt, grains,etc.