The Qwetch Originals Black Insulated Bottle is ideal for keeping your favorite drinks cool & warm. This bottle keeps 12 hours in the warm / 24 hours in the cold. High resistance to impact and corrosion. Inner wall without coating or varnish (unlike aluminum containers). Does not alter tastes or flavors. It is recommended to clean with warm soapy water and / or baking soda. Use a non-abrasive support. Dry upside down. Warning, hot liquids or food can burn: use the product with care. Do not put in the dishwasher, microwave, traditional oven or freezer. Do not exceed the filling capacity. Fill to the bottom of the thread. To avoid splashes and leaks, close the cap / cover properly and completely to ensure the product is watertight. Transport in an upright position is recommended. Friction, shock / fall, etc. can damage the product.