Custom imprinted promotional logo 12 oz. Stainless Steel Tri-Roll Desk Mugs have non-skid bottom. Quality tested for lasting performance. Dual wall Japanese 18-8 stainless steel construction. Foam insulated for optimum heat retention. Contoured soft rubber handle offers a relaxed grip. Spill-Resistant lid with thumb slide closure and double wall design to keep lid cool. Exclusive Patented design. Add your company logo or message for unique promotional mugs.