Kinetic brings you the best in food storage organization with their stylish and unique glassworks series designed for reheating leftovers and convenient freezer storage. BPA free and FDA approved. The durable rectangular oven safe glass food storage container features a plastic lid with a four tab locking system with a silicone seal that creates an airtight/watertight seal keeping foods fresh longer than ordinary food storage solutions. The container may be used in the oven up to 450⁰ Fahrenheit without the lid. Freezer, refrigerator, and microwave safe without lid attached; the stain and odor resistant set promises easy cleanup in the dishwasher. Bake or reheat food and take the container directly to the table. This simple and elegant design keeps kitchen leftovers organized neatly and with a minimum of fuss. Stackable durable containers optimize your storage space in the refrigerator or cupboard and also nest to save space. 1-year limited manufacturer warranty.