double wall glass stylish,very comfortable to hold. borosilicate glass,Eco-friendly. best quality. logo is ok the double wall glass which is keep hot drinks hot, and cold drinks cold. It'sstylish and easy to hold,that it is clear so you can see what you are drinking.2.The cup is double walled,the air in between the two layers of glass serves as aninsulator.Whether you are using the cup for hot or ...
