Thermos, 0.5 L, High quality stainless steel, Double-walled thermos with vacuum, robust and durable against blows and shocks, Practical screw cap with drinking cup, Keeps warm for 12 hours, keeps cold for 24 hours, matt steel Practical Alfi IsoTherm Eco thermos that is perfect to take on the go. For more than a hundred years, Alfi has been the uncrowned king of thermoses thanks to solid craftsmanship, far-sighted technology and a sense of design that has created several of tomorrow's design icons for coffee tables worldwide in collaboration with some of the world's most renowned designers.