Multifunctional FFR models are designed for children and adults who lead an active lifestyle or play sports. For proper and healthy development of the body, it is necessary to consume at least 2 liters of water at a temperature of 5-15 degrees Celsius per day. This temperature is optimal for the proper functioning of the gastrointestinal tract and normalization of metabolism. It is possible to maintain the water temperature in this range only in a thermos, given the sharp temperature fluctuations to which we are constantly exposed due to the harsh climate and constant change of premises. This model is equipped with replaceable caps-nozzles suitable for using a thermos with different drinks - hot and cold. A bag-case with a handle allows you to carry a thermos with you and protect from physical damage in case of an unexpected fall or impact. Keeps warm 24h. Keeps cold 24h.