Strong, borosilicate glass construction for freezer to oven use Withstands extreme temperature changes without the risk of cracking or shatteringGlass won’t stain or absorb odors and is easy to clean. Leak-proof: YesGenerous handles on Dish provide a safe and secure gripSlosh-proof BPA-free lid prevents spills and allows stackingConvenient dimension markings ensure you’re baking with the right sizeDish is microwave-safe, dishwasher-safe, freezer-safe and BPA-freeIt won’t stain or absorb odors, and it’s easy to clean