... heat-resistant glass kitchenware series features:high borosilicate glass microwave and dishwasher safe high resistance to mechanical shock, ... can go directly from refrigerator or freezer to a microwave,convection or preheated conventional oven Non-porous glass, it won ... high resistance to corrosion can be used in oven, microwave, dishwasher,freezer,refrigeratory etc.make cooking, storing easy,convenient ...