The nolta flask is a Vaccum insulated flask made of high-quality stainless steel and a lightweight bottle designed for keeping it hot or clod for a long time, and the shape of the flask is very easy to carry anywhere and at a temperature in addition to this bottle is leak-proof with a nontoxic plastic coating on cap and with an inside coating with copper so no temperature is dropped out and also it’s very easy to clean around and inside so it’s hygienic, besides this, there won’t be any condensation around the exterior of the bottles, so no worries of wet surface on the exterior so it’s easy to handle or to transport. The flask has an anti-slip bottom surface so that the bottle will have great stability on a wet surface.