Fluids 20 oz Travel Tumbler Premium Vacuum Double Wall Insulated with a Lid which Keeps Ice Frozen For 24 Hours And Keeps Hot Drinks Hot for longer than Flask and Comes with FREE Stainless Steel Straw Fluids Tumblers: Its one of a kind Vacuum sealed Tumbler which prevents the cold or heat to escape through the stainless steel walls. Keeping your drink cold or hot for much longer time than an ordinary flask. Has LIFETIME WARRANTY with 100% satisfaction guarantee. Fluids Tumblers: Its made with 18/8 kitchen grade stainless steel which is non-toxic and BPA free. Perfect for all types of drinks cold or hot. Healthy than drinking from plastic bottles. Environment Friendly option by eliminating single use cups. Fluids Tumblers got NO SWEAT ALWAYS DRY feature which keeps your drink ice cold without water sweat on the tumbler. You don't need a coaster to keep it on your expensive table. Fluids Tumblers comes with perfect tight clear LID. Clear Lid helps you to view the quantity of your drink as well as it protects your drink from spills and maintains your drink temperature. Perfect companion for while reading, work, play, adventure, in the movies, travelling or just relaxing. Fluids Tumblers comes with a FREE Stainless Steel Straw. Perfect sized for your drinking pleasure.