The robust one from Rotpunkt convinces with style and radiates timelessness.This high-quality thermos jug keeps coffee, tea, juice or iced tea pleasantly cool or warm for a long time. The mouth-blown glass flask is made of double-walled insulating rosalin glass. The vacuum and a special silver coating between the two glass flasks provide optimum and long-lasting insulation, allowing the jug to stay warm for approx. 24 hours when full and to stay cold for up to 36 hours. High-quality sealing rings and the reliable screw cap ensure long and reliable use.