Capacities : 1.6 cup, 2.7 cup & 4 cup | 6pc Set Made of borosilicate glass with polypropylene & silicone lid Clear body with orange silicone seal lid Temperature resistant (-4°F - 480°F), oven, microwave, dishwasher and freezer safe Lid 4 snap closure provides a leakproof and airtight seal Used for storing, transporting, baking and prepping meals Ideal to conserve food freshness, portion control, reheating, packing lunches and storing leftovers