Double-walled coffee or tea tumbler made of high-quality borosilicate
glass, which keeps hot drinks hot longer and cold drinks longer. In addition,
the double-walled glass ensures that the outer glass is always at a constant
temperature, so that even a possible burn of your fingers is a thing of the
past...
Double-walled coffee or tea tumbler made of high-quality borosilicate
glass, which keeps hot drinks hot longer and cold drinks longer. In addition,
the double-walled glass ensures that the outer glass is always at a constant
temperature, so that even a possible burn of your fingers is a thing of the
past...