The FOKS thermal mug is perfect for long journeys aswell as everyday use. It has vacuum insulation, thanks to which it maintains the temperature of the drink for up to 13 hours. It also has an extremely convenient gadget,: a digital touch thermometer built into the cap. Just turn the cup upside down for about 10 seconds. and touch the cap to read the temperature of the drink. The inside of the cup is made of high-standard stainless steel. A closure lock will prevent the lid from being opened accidentally.