Children should not use the glassware without the adult assistance.
You should not heat up the products above 60 degrees Celsius, e.g. by pouring hot liquids.
You should not heat up the product higher than 60 degrees Celsius, e.g. by pouring hot liquids. Quick heating up and cooling the products down, can cause the product to crack
When you wash the dishes in a dishwasher machine, you should use detergents and programs, that are appropriate for glass and ceramics.