The Rubytec Bigshot is a stainless steel vacuum insulation cup to keep cold drinks cold for a long time and hot drinks warm for a few hours. It is 100% leak-proof, even upside down in a bag and therefore very suitable to take to work and school, in the car or in a bag. Perfect for on the go, fits in most coffee cup holders. The Bigshot also fits under almost every coffee machine. The cup is made of 0.5mm extra strong 18/8 stainless steel and is food safe and easy to clean. The cap can be washed in the dishwasher, the cup can be cleaned by hand. 100% recyclable.