Pure Box Active Pure Box Active is a range of practical, hassle-free containers for storing and transporting your meals. Perfectly airtight with their four-clip lid, they are also anti-transfer and anti-bacterial. On a picnic, at home or in the office, these containers make your life easier every day. Your culinary creations can go from freezer to microwave with no need to remove the lid, thanks to the valve. This collection is available in nine large sizes and three shapes: round, square and rectangular. Pure Box Active also includes a lunch box with cutlery. The complete kit for reheating your lunch at the office. All the containers are dishwasher safe.