The maxxcuisine storage boxes are ideal for storing fresh foods or leftovers so you can take them to work or picnics have them the next day 7 boxes of various sizes each with their own lids the four snap closures on each box seal tightly so it becomes drip proof another great feature the silicone sealing ring ensures that the food stays fresher for longer and the aromas are contained in the box features dishwasher microwaveable and freezer proof 4x click fastening can be store