Borosil Vision Classic Mug Set, 190ml, Set of 6, Transparent Style:Vision   The Classic Mug is inspired by Borosil’s iconic Vision Glass. We heard our vision glass was being used to drink tea, so we went ahead and put a handle on it – and voila, Created the Classic Mug. Classic Mug can be safely used in the microwave, oven, fridge, freezer, and dishwasher. Non porous glass will not absorb stains or odours.