The unique "icy" texture of this travel mug is both quaint and elegant, making it the ideal "Iced Out" Tumbler for a Winter Formal, winter wonderland Prom theme, or a ballroom theme. Add this 20 oz. (18 oz. with lid on) double wall constructed travel tumbler to your swag bags to give your students one of the most beautiful and functional favors for any school event! The tumbler also includes a snap-on, spill-resistant thumb-slide lid with rubber gasket; is made of stainless steel for both the outer and inner liner; and features an "icy" texture all around it! The vacuum insulation feature of this Iced Out Tumbler keeps your drinks hot or cold for up to 6 hours! Your choice of imprint will be laser-engraved on the front to personalize this tumbler for your school, team, organization, or school event.