Built-in quantity control: 4 perfect compartments can easily kinds of snacks to satisfy all kinds of appetites from children to adults. Stackable, portable, reusable and affordable way to prepare healthy snacks for school, work or going out. Easy-to-open lid: It is designed with a lid suitable for children, which can be safely covered, but children can easily take it off (leak-proof). Microwave ovens, refrigerators and dishwashers are safe: containers are easy to clean, easy to use and quick to sort out. For best results, do not heat and dry.