These lockable food storage containers made of heat resistant, stain- and odour resistant borosilicate glass, are suitable for microwave stoves and for ovens. Its aesthetic form language underlines the high quality material: borosilicate glass is durable even in case of sudden temperature changes so that it can not only be used in the fridge, microwave oven and dishwasher but it can also be heated in the oven up to 400 degrees centigrade. Furthermore, the four-side locking system keeps food fresh for longer.