So one wants to drink his tea!

I have some time after a teacup or a tea glass sought worim it stays hot longer period and from which one does not have to hastily sips drink the tea, so it is not cold.
This doppeölwandigen glass cups are exactly what I was looking for; and what I like the bargain:
The optics! In this case, "drinking" the eye with - it makes every pleasure to use these cups.
A great gift by the way, if you want to give someone a great joy.