About this item 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. Retain perfect clarity, unlike regular soda lime glass, will not turn cloudy with repeated usage Are scratch resistant. Non porous glass will not absorb stains or odours. Brand Borosil Colour Transparent Special Feature Scratch Resistant Style Set of 4 Recommended Uses For Product Office, Home Included Components 4-Pieces Glass ( 295 ml) Shape Round Pattern Solid Product Care Instructions Microwave Safe, Dishwasher Safe Age Range (Description) Adult Material Glass Capacity 295 Milliliters Occasion Engagement, Wedding, Birthday Item Weight 362 Grams