Sophisticated XD design is evident in this outstanding 500ml double wall, vacuum insulated stainless steel flask with delightful shiny chrome accents. It 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 laser engraves to a stainless steel finish and is BPA free. Contour is beautifully presented in an XD gift box and handwashing is recommended.