Using this pizza delivery bag is a breeze. First, open the bag and carefully place your pizza boxes inside. Make sure not to overstuff it to keep the pizzas in good shape. When you get the order, put the receipt in the clear window so it's easy to find. The holding strap makes it convenient to carry the bag around. To maintain this bag, wipe it down with a damp cloth after each use to keep it clean. Avoid using harsh chemicals as they might damage the nylon material. Store it in a dry place when not in use to prevent mold or mildew. Also, don't expose it to extreme heat as it could affect the insulation.