Glasslock Premium Oven Safe Containers are completed with colored snap lids. This set is oven safe to 230 degrees Celsius. Made from 100 percent BPA-free, nonporous and impermeable tempered glass. It can be used in the refrigerator, freezer, microwave and oven. Water-tight and air-tight lids with an integrated silicone seal, make these products leak-proof, while their tempered glass makes them scratch, stain and odor resistant. Sleek rimless design with easy to open and close snap lock lid. Top rack dishwasher, freezer, fridge safe and microwave safe without a lid (remove lid before microwave use). This 6 piece set includes 2 x 395 ml rectangle containers, 2 x 1.1 liter square containers and 2 x 1.8 liter rectangle containers. Rectangular oven safe containers with colored snap lids Made from tempered glass with a plastic lid Water-tight and air-tight lids with integrated silicone seal Tempered glass makes them scratch, stain and odor resistant Sleek rimless design with easy to open and close snap lock lid