Store, heat, and serve food with the LocknLock Glass Square Food Storage Container. The 17 oz (500 mL) size is great for snacks, lunches, leftovers, meal prep, and food storage. Made from durable borosilicate glass, this container resists stains and odors. It is oven safe up to 752°F (400°C), so you can go from the oven to the table with ease. The 4-hinge locking lid with a silicone seal creates an airtight, leakproof closure to help keep food fresh and prevent spills. Safe for the microwave, freezer, and dishwasher for easy everyday use.