Make everything about your food storage purely better with this versatile glass baker. Designed to be used without the lid as a versatile, oven-safe baker, container comes with a lid featuring a patented 4-hinge locking system for freshness that lasts. Container is constructed from borosilicate glass, which can withstand both high heat and sudden cooling but is 10 percent lighter than tempered glass for easy, on-the-go use. BPA-free container is also microwave, freezer, oven, and dishwasher safe. Lid not intended for oven use.