Custom Tumblers & Travel Mugs, Tervis Stainless Steel Traveler Tumbler - 30 oz. - 24Hr Cold & Copper Lined, This versatile premium-grade, copper-lined 18/8 stainless steel tumbler is the ultimate on-the-go companion. Double-wall vacuum insulation keeps your beverage at the perfect temperature for hours, and the splash- and shatter-proof slider lid is easy to open and close. This durable tumbler fits most cup holders and is ready to go wherever your busy life takes you. Comes with a limited 2-year guarantee. Premium-grade 18/8 stainless steel tumbler with 30 oz. capacity Double-wall vacuum insulation with copper lining Keeps drink cold for up to 24 hours and hot for up to 8 hours Keeps drink cold for up to 24 hours and hot for up to 8 hours Fits most cup holders for on-the-go convenience Tervis stainless steel tumblers have a limited 2-year guarantee ... #1250345 $37.87/each.