Two cups are your friend whether you have to drive long distances in the car, are in the office or on a tough adventure. The cups ensure that your liquid can keep its temperature. The cups are made with double-walled insulation with copper lining for maximum insulation. The liquid can keep the heat for 6 hours and the cold for 18 hours. The design of the travel mug allows it to sit in your cup holder. The travel cup is equipped with a handle that, in addition to giving you a good grip, can also be used to tie the cup to your backpack. The mugs made of non-reactive and lightweight 18/8 stainless steel which has higher corrosion and oxidation resistance than regular steel, this prevents odor and is easy to clean. They are also BPA-free.