Simplify Portion Control, no more weighing food or counting calories. Just fill our color-coded containers with the designated foods. It’s safe to use the portion containers for direct food storage and containers can be used for a long time. Printable food list for each container making grocery shopping simple and quick. Detailed step by step instructions to measure daily caloric intake. Daily meal planner to organize your day for success. Specification: Material:polypropylene Color: As shown in the picture Package include: 4 set of 28 Pcs Warm Tips: Please put the portion containers in the top rack while using a dishwasher. Remove lid entirely or at least open one lid corner to vent while using for microwave. When filled with food, store them upright. Avoid overheating containers, such as high-fat foods, sugars, oils and tomato sauces.