Thanks to its airtight seals and secure latches, this Rubbermaid Brilliance Sandwich/Snack Lunch Storage Container Kit is guaranteed not to leak, allowing mess-free transport of your favourite lunch items-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 odour 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, these Brilliance containers can also be placed in the freezer and the dishwasher without warping or discoloration-but should anything ever go wrong, Rubbermaid Brilliance products are backed by a full lifetime warranty.