LOCK cup combines the best features of a thermal cup and a thermos in one product. A comfortable size and mouthpiece for easy drinking are connected using a completely tight closure preventing leakage of liquid and excellent thermo insulation. Thanks to the vacuum between the walls the cup maintains temperature for approx. 13 hours. In the product an innovative blockade was applied which secures the cup from accidental opening. The inside made of stainless steel, with a capacity of 440 ml. Marking is possible on the corpus of the cup.