You can use this set in a microwave, freezer, preheated oven, and dishwasher. These locking plastic containers have lids that are a snap to open and close, and they won’t leak. We think this set ...
Our tests also found that the glass doesn’t stain or retain smells and that the lids snap on securely. Plus, the freezer-proof glass food storage containers are even oven-safe without the lids.