Store your leftovers or send brownies to a friend with the 18 pack of the 4.5 Cup Rectangle UltraSeal Food Storage Containers from Sterilite. Take your favorite foods to go with these containers, which feature a color-coded matching system to help find the correct lid and base combination without rummaging through the cupboards in your home. When microwaving, don't worry about warping. A vent in the lid releases steam to preserve container integrity. Tidy up and store all containers efficiently when stacking them in the fridge during meal prepping or tucking them away in the cupboard. These containers are ideal for storing larger food items, such as baked goods, casseroles, or corn on the cob. The gasket and 4 latches in the lid create an airtight and watertight seal that keeps food fresh and prevents liquids from leaking. Meal prep with confidence and utilize the 4.5 cup container in the fridge or freezer. Eat with confidence, knowing there is no BPA or phthalate mixing with your food. Enjoy an organized, food-safe storage setup with the 18 pack of the UltraSeal Food Storage Container from Sterilite.