Custom imprinted promotional logo 14 oz. Double Wall Stainless Steel Travel Mugs made of dual wall Japanese 18-8 stainless steel construction. Foam insulated for optimum heat retention. Spill-Resistant lid with thumb slide closure and double wall design to keep lid cool. Non-skid bottom. Quality tested for lasting performance. Customized tumblers are a perfect promotion for tradeshows, parties and much more.