... Material: High borosilicate glassThe advantages of high borosilicate glass products1. Higher Heat-resisitant: wide baking temperature range ... . Higher scratch resistant ,more durable4.Non-porous glass won’t absorb odors or stains.5.Versatile ... ,easy-clean shape,and provides even baking7.Crystal clear 8. Oven,microwave,freezer and dishwasher safe. ... *189*691000 microwave casserole, crystal clear glass