insulated mug 450 ml 7713M Tac insulated cup with valve is a practical item and a nice gift. It is a trendy and stylish accessory that will retain the temperature of your drink. The insulated cup is equally suitable for use at home, in the office, when walking or traveling. The classic spout and the air valve makes drinking very comfortable and eliminates splashing. You will be able to comfortably drink hot coffee and tea in cold winter, and cool and refreshing drinks in hot