Glasslock Oven Safe containers are made in Korea from durable tempered glass, three times stronger than regular glass and completely BPA-free | Designed for versatility, they can be heated in the oven (up to 230DegreeC) and microwave (without lid), and stored in the fridge and freezer (down to -20DegreeC) | Easy to clean by hand or on the top-shelf of the dishwasher | Silicone seal and four tab locking clips make the container transportable, airtight, and leakproof, keeping food fresh longer | This 1730ml rectangular container is ideal for marinating meat, transporting and serving dishes, and storing and reheating fresh food