Looking for a small thermos flask that you can easily take with you to work or school? The Cookinglife Thermos Flask 300 ml is small in size and therefore very convenient to take with you quickly! The flask is made of stainless steel, is impact and break resistant, and 100% leak-proof. In addition, it keeps your drink warm for 12 hours and cold for 24 hours. Great for the hottest summer days and the coldest winter days!