Volkswagen VW T1 Camper Bus BLUE Reusable Stainless Steel Hot & Cold Thermal Insulated Drinks Bottle Digital Thermometer 450ml.Touch the top with your finger to give a digital readout of the temperature inside. Product Information: Suitable for hot and cold drinks. Keeps liquids cold for up to 24 hours or warm for up to 6 hours. There is a removable tea strainer that sits in the top for loose tea leaves. Also comes with a handy strap.