Are you looking for an environmentally friendly alternative to a single-use coffee cup? Here it is — the new stylish glass mug from SIGG is the perfect companion on-the-go. On the way to work, in the car, or going for a walk, from now on you can always carry your coffee or tea with you in the SIGG glass thermo mug. The insulated borosilicate glass mug in the puristic urban style keeps hot drinks warm.