Lock & Lock LocknLock LLG455, Oven Safe, BPA Free, 100% Airtight, Food Storage Container with Lid, Clear, W 24.8 x H 17.6 L 10.8 cm, 8.45-cup, Rectangular, Borosilicate Glass

Heat Resistant Glass: Made from borosilicate glass that can withstand heat up to 400 C and is thermal shock resistant up to 248 F.

Convenient to Use: Safe to use in the oven (without lid), microwave, freezer and dishwasher. From oven to table and from freezer to microwave, Lock & Lock glass containers are versatile and convenient to use. Wide variety of unique, stackable designs allows you to save space in your cabinets, refrigerator, and freezer.

PRODUCT OF THE YEAR: Winner of Product of the Year, 2010 (UK) and Red Dot Design Award, 2011 (Germany).

Material is what makes products different. Lock & Lock uses heat resistant glass that does not have a risk of breaking itself or spreading fragments even if it means bearing a greater cost.

As Lock & Lock oven glass is made of borosilicate glass that has a strong heat resistance, It can strongly withstand the heat and rapid temperature change. Therefore, You can use it not only in the microwave but also in the oven.