Premium 400ml double wall, vacuum insulated stainless steel coffee cup which will keep drinks hot or cold for hours. It has a stunning powder-coated finish and a transparent push-on lid with a splashproof sliding closure. Zeus is BPA-free and has a soft non-marking base. It laser engraves to a shiny steel finish and is presented in a black gift box. This product is not dishwasher safe and handwashing is recommended.