Featuring a cool to touch vented lid, the rectangular roaster has been specifically designed for use in the microwave. Two easy locking clip closures with integrated steam release vent offer perfect splatter-free heating or cooking. An air-tight silicone seal secures safe storage in fridge or freezer. The multipurpose oven roasters are made in high resistance borosilicate glass, a hygienic and neutral material perfect for cooking or safe food storage.