The unique "icy" texture of this bottle 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. 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! Add a custom one-color imprint to one side of this Tumbler to personalize it for any school event. NOTE: This water bottle is BPA free and meets FDA requirements. Hand wash recommended. Due to the vacuum insulation, capacity is 18 oz. with lid on.