SPACE SAVER - Each pizza container folds down and expands to accommodate the number of pizza slices you have. Perfect for storing leftover pizza without a pizza box taking up the whole shelf! PIZZA SAVER - If you think pizza doesn't taste better the next day, you don't. didn't store it properly. Our snap-on airtight lids create a vacuum seal that will keep your pizza slices fresher longer. Each pizza box has an optional air vent to reduce condensation and prevent you from experiencing the dreaded soggy slice syndrome. be stored, but also serve as pizza plates when you want to reheat a single slice. ONE SIZE - Wellalmost. The pizza pack is suitable for slices of all pizzas up to 18 inches. If New York slices are your thing, you can always cut one side for the perfect fit. proof, and non-stick. They are also microwave, freezer and dishwasher safe.