Sophisticated XD design is evident in this outstanding 500ml double wall, vacuum insulated stainless steel flask. It has shiny chrome accents and will keep drinks cold for 24 hours or hot for up to 12 hours. The flask has convenient push button operation and its own cup. It is BPA-free, laser engraves to a shiny steel finish and is beautifully presented in an XD gift box. This product is not dishwasher safe and handwashing is recommended.