Collapsible pizza storage box adopts collapsible design. The collapsible design will take up no space, and when you don't need to store food, you can compress it into a plate, small and portable, that can fit into your backpack and suitcase. It can be extended when you need to use it to better preserve leftover pizza. The LIDS and seals of our silicone pizza containers create a vacuum seal to keep your pizza slices fresh for longer. Expandable pizza containers have air holes to reduce condensation and promote microwave heating. The tray that comes with the backpack not only prevents the slices from sticking together during storage, but can also be used as a pizza plate. Leftover pizza containers can be used not only for pizza, but also for other foods such as cheese, pasta, pies, sandwiches, vegetables, fruits, etc. The silicone pizza container with lid is lightweight and portable, and can be packed in a lunch bag or backpack for camping, hiking, traveling, picnics. You'll get a collapsible pizza slice storage container. Pizza crisper comes with 5 microwave divider trays. Sufficient quantity to meet your need to store leftover pizza. Silicone pizza bowls are suitable for pizza slices up to 18 inches.