Time to replace your that drinking glass or mug sitting on your desk. Opt for a more durable, insulated beverage container, whatever you happen to drinking. These cold cups are vacuum insulation technology that offers maximum temperature retention. Guaranteed made from durable stainless steel from interior to exterior, an removable stainless steel drinking straw can be added. These cups can temperature for 15 hours.Add your business logo, advertising slogan, or custom artwork prominently displayed on these promotional cold cups with straw. Place your order today! More information, please send your detailed requested for quotation. Measuring 11 oz, this custom 30 oz. stainless steel tumbler.