Handle tempered glass with care; never use if damaged, scratched or chipped, and avoid rapid temperature changes that might cause sudden breakage.Avoid exposing tempered glass to sudden temperature change, such as when warm beverage is poured into a cold glass.Glass is fragile; to extend the life of tempered glass, keep the surface scratch-free, for example by avoiding metal scrubbers or contact with cutlery in the dishwasher.
