Fits under most coffee machines, the Calibre Vacuum Cup is a 260ml vacuum insulated stainless steel coffee cup. BPA-free with a transparent push on lid and will keep drinks hot or cold for hours. The black and white cups laser engrave to a shiny steel finish and the silver cups engrave to a natural etch. The cup is presented in a black gift box. This product is not dishwasher safe and handwashing is recommended.