Made from borosilicate glass and are dishwasher safe, microwave safe Size: 88mm top dia, 64mm bottom dia, H:121mm Weight: 202gColor: Transparent Double wall cups are truly multifunctional, can be used for red wine, water, juice etc, with insulating quality in doulbe wall of glasses keeps the hot and cold drinkings for longer time, as well as great for ice cream. Double Wall Wine/Water cup