The BVB SIGG coffee mug to go offers fans of Borussia Dortmund a stylish and practical way to take their favourite drinks anywhere. The stainless steel mug is double-walled vacuum insulated so drinks stay hot or cold for hours. With its leak-proof safety button, it's perfect for on the go: just press to drink and release to close. Whether on the way to work or as an insulated cup for tea and other hot drinks, the Miracle Mug is durable, non-toxic and recyclable. With a capacity of 0.27 litres, it fits in many standard cup holders and even under most coffee machines. Thanks to the patented drinking system, the cup is easy to clean and is odourless.