Glass mug

Are 100 percent flame proof and can be used directly on the flame .Can be safely used in the microwave, oven, fridge, freezer and dishwasher. Unlike plastic or ordinary glass, will not leach chemicals into your drink even after repeated usage. Are harder and tougher than ordinary glass. Are scratch resistant. Wash with soap and a soft sponge, Non porous glass will not absorb stains or odours. Retain perfect clarity, unlike regular soda lime glass, will not turn cloudy with repeated usage.