use lime -free water

The glass type is lighter

Never heat in microwave oven

Surhedsregulerende midler: mælkesyre og citronsyre

Runde Termoglas - 290 ml og 400 ml Size:Large - 400 ml use lime -free waterThese 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)