The Senorita Vacuum Flask which is designed for maximum temperature retention has superior insulated double walls. It can keep warm the hot beverages up to four hours and cold liquids, drinks or beverages cold up to five long hours. It is easier to store and with the Heat resistant handle, moreover easier to carry along with you. The Cello Senorita Vacuum Flask can hold up to 1000 ml and is easy to fill, serve from and clean because of its wide mouth.This Cello flask is great to all kitchens. Its modern and stylish design along with its stainless steel mirror finish give it an edge on other Flasks. It has great heat retention and an easy pour lid, so you will be drinking your tea/coffee in style in no time. Stainless steel insulation virtually eliminates temperature change by creating an airless vacuum space between two stainless steel walls. The result is an insulation layer that performs better than any other. A superior insulated container you can depend on to keep your beverages hotter, or colder.