Material is what makes products different, Lock&Lock uses heat resistant glass that does not have a risk of breaking itself or spreading fragments even if it means bearing a greater cost Heat resistant glass is more than 10% lighter than tempered glass, lifting a great weight off of users’ wrists Lock&Lock oven glass is less likely to be become murky, it always stays as clear and pure as new one With its low permittivity, it makes food warmer while the container itself gets less heated when used in the microwave As Lock&Lock oven glass is made of borosilicate glass that has a strong heat resistance, it can strongly withstand the heat and rapid temperature change, you can use it not only in the microwave but also in the oven Features the Lock&Lock technology of 4 side locking lid enables you to store food more fresh Its thin and modern design awarded at one of the world’s 3 design awards, is perfect for stylish table setting