Zyliss Fresh Storage keeps food fresher for longer, with a patented bonded seal for no leaks and more hygienic storage. As well as serving as convenient storage, the glass container is ovenproof and is perfect for cooking meals. Perfectly sized for baking a lasgne for a family of 4. Zyliss Fresh storage keeps food up to 2x longer than when it is in its original packaging The clip and close lids feature an integrated seal to ensure no gaps or food traps The patented, unique seal is 100% leak proof and airtight, keeping food Fresher for longer Stackable lids, freezer, dishwasher and microwave safe, make storage efficient and secure Oven safe borosilicate glass base is oven safe to 420 degrees C Lid is not to be used in the oven. Zyliss have over 60 years of experience in designing high-end food preparation tools, utensils and gadgets, favoured by everyday cooks as well as gourmet chefs.