· VACUUM SEALED: double-wall technology keeps your beverage piping hot for 6 hours or ice-cold for 12 hours.· DURABLE CONSTRUCTION: Made of quality food grade 100% stainless steel, our tumblers are BPA-free with a scratch-proof finish, drop-resistant, and effectively unbreakable.· PERFECT SIZE: Quench your thirst for hours with a full 20 ounces! Our stainless steel tumbler is 7.25" tall and 3.5" in diameter. The tapered base makes it easy to place in your vehicle's cup holder, creating a Quick and convenient drink on the go.· UNIQUE AND BUILT TO LAST: The spill-resistant lid makes it perfect for any beverage - coffee, tea, cocoa, cocktails, juice, champagne, beer, sodas, or ice water! Hand wash only. Do not Microwave.· IDEAL FOR YOURSELF & THE PERFECT GIFT: Treat yourself to this to-go mug for commuting, camping, tailgating, hiking, travel, and more.