Many people ask us why we ship our IGP Olive Oil Toscana in 3 litre and 5 litre bag in bag in box Extra Virgin Olive Oil packaging, we though we would let you know the reasons why we choose to use bag in box instead of the usual tin cans. Bag in box extra virgin olive oil packaging is often considered effective at keeping extra virgin olive oil (EVOO) fresh for several reasons, the first being reduced Air Exposure, Bag-in-box containers have a bag or bladder inside, which collapses as the product is dispensed. This design minimizes the amount of air inside the container, preventing prolonged exposure