... Microwave Safe Dish Washer Safe About Product: The material is borosilicate,it's heat resistant glass,the advantage for our ... resistance to corrosion. 4. Higher hygienic performance. 5. Can be used in oven, microwave, Dishwasher, freezer, refrigerator etc.6. Heat resistance: ... tolerance 400 degree no break or fissure.7. Sharp down temperature tolerance: heat for 10 min ...