Thanks to its airtight seal and secure latches. allowing mess-free transport of your favorite foods—even soups, stews, and sauces. It also sports a modular design that allows convenient stacking in your fridge or lunch bag, saving you some much needed space. No need to unstack and unseal multiple containers to find a specific dish; their crystal-clear Tritan construction lets you see what you've stored at a glance. This material also provides stain and odor resistance to keep the container spotless and fresh after every use. Want an easier way to re-heat leftovers Built-in vents allow steam to escape so you can microwave food without removing the lid. In addition to being microwave-safe, this Brilliance container can also be placed in the freezer and the dishwasher without warping or discoloration - but should anything ever go wrong.