For everyone: the maxi box containers make it easy to keep and store purées, smoothies or other meals for your child Large capacity: the maxi box containers hold 500ml. there are 3 containers in the pack Airtight: the maxi box lids are very easy to fasten. they have an airtight silicone safety seal Practical: these storage tubs can be kept in the fridge or freezer. they are also suitable for the microwave