Double-wall, stainless steel Defined tumbler is vacuum insulated and includes a leak and shatter-proof removeable plastic lid. Keeps iced beverages cold for up to 9 hours and hot for up to 3 hours. This tumbler can be used for wine, coffee, or cocktails with the straw-friendly lid! Hand wash only. BPA-free. Caption reads: mum? mum [?mum?]?, n.?? 1: a female parent; one’s?mother? 2: cheerleader?who loves?her children unconditionally, always knows best and does the work of many…?for free??? 3: the one who knows where all your stuff is? (see also:?superwoman,?chauffeur,?runs on coffee,?clean your room, because I said so, she who must be obeyed).