There are a lot of reasons to opt for glass food storage. You’ll have absolutely no worries that it’ll leach into your food, stain, or start to smell, and it’s attractive enough to use for serving. Most importantly, glass isn’t porous, so it does the best job of keeping food fresh, especially when it has a tight-fitting lid. With a gasket and four locking tabs on all sides, this Snapware Set is absolutely airtight. This set comes with 12 multi-sized containers and their corresponding lids and can be used in the freezer, microwave, or dishwasher. Plus, they stack for compact storage. What more could you ask for?