For superior baking and cooking performance, Rubbermaid DuraLite Bakeware is made from premium glass that's designed for high heat tolerance and durability Safe for use in oven and broiler temperatures up to 550 degrees F, this Rubbermaid DuraLite glass bakeware set can easily go from oven to table Rubbermaid DuraLite glass bakeware is extra lightweight compared to ceramic bakeware, as well as break- and chip-resistant These baking dishes are nestable for easy kitchen organization; plus BPA-free, microwave-, freezer-, and dishwasher-safe 4-piece set includes one 1.75-quart baking dish, one 0.97-quart baking dish, with 2 lids