Ziploc Extra Large Sandwich Bags that's 40% bigger perfect for big sandwiches and more. Sometimes your sandwich bag just isn't big enough. This is especially true for sandwiches piled high with lots of good stuff or for sandwiches that are made with specialty or homemade breads. Ziploc Introducing Ziploc Extra Large Sandwich Bags the bags specially designed to hold bigger sandwiches and much more. From overstuffed subs to pizza slices, each Extra Large Sandwich Bag holds 40% more than a regular sandwich bag. And the extra wide opening makes it easier to put your food inside.