REUSABLE MEAL PREP CONTAINER SET: Includes 30 pre-portioned containers and 30 lids, perfect for lunches and snacks LABELED COMPARTMENT: Feature a versatile single compartment embossed with 4 cup volume measurements to make portion control a breeze MICROWAVE AND FREEZER SAFE: Microwave and freezer-safe so you can store, reheat, and serve all-in-one, and they are stackable for convenient storage in the refrigerator or freezer COORDINATING LIDS: Help keep food fresh so you can prepare snacks in advance, and their domed shape does not compress food during storage MADE WITH BPA-FREE PLASTIC: Durable BPA-free plastic construction is dishwasher-safe to make clean up quick and easy