Minimally used and always cleaned thoroughly. Swig white marble AM+PM Set - 14oz wine cup + 18oz travel mug. Dishwasher top rack friendly. - Keep drinks cold 9+ hours and hot 3+ hours - Triple insulation technology: double-walled, vacuum-sealed and copper-plated - Condensation free and nonbreakable - Constructed of .5mm 304-18/8 stainless steel - Slip-free, scratch-free and noise-free silicone base