Never heat in microwave oven

They are really applicable and there is good room for both tea/coffee pot and cups

use lime -free water

Cannot withstand dishwasher

The organic chaplon tea

Runde Termoglas - 290 ml og 400 ml Size:Large - 400 ml Never heat in microwave ovenThese beautiful glasses are made of borosilicate glass, which has a longer life than most glass types. The glass type is lighter, stronger, more heat resistant than regular glass it can withstand temperature chock and extreme temperatures and has a high insulating ability. The glass is also quite scratch resistant. Therefore, this type of glass is often used for e. g. refractory dishes. The glasses are mouth blown. The beverages remain hot (or cold)