The glass casserole was made of a durable, high temperature material.High borosilicate casserole is durable, transparent for easy monitoring in cooking progress and provides good heat conduction evenly and consistently. 

PRODUCT FEATURES

1 Good heat-resistance: baking temperature of glass from -40℃~ 400℃, extremes up to 500℃ in short time. High resistance to thermal shock. More durable, more safe.

2 Clear, nonporous glass surface won't stain or absorb odors

3 Clear glass allows you to watch your food as it cooks

4 Incredibly durable as long as sudden changes in temperature are avoided

5 Safe for oven, microwave, freezer, and dishwasher;