KUDO! Stainless Steel Double Wall Vacuum Insulated Coffee Mug Beer Mug Cappucino Cup Tea Cup Travel Tumbler and Lid - Keeps Drinks Cold & Hot - 20oz 100% AUTHENTIC KUDO! Environmentally friendly, premium products for your active lifestyle. Plus, a portion of each sale benefits Childhood Cancer Research and our U.S. Veterans. VACUUM INSULATED TECHNOLOGY. Our KUDO! Tumbler is vacuum insulated with double walls that act as a barrier to heat transfer so the temperature on the outside doesnt affect your favorite beverage inside! COLD UP TO 24 HOURS/ HOT UP TO 12 HOURS. Our KUDO! Tumbler was designed to keep your beverage the temperature you want it for as long as possible. No more having to refill because your favorite drink got warm or cold too quickly! PREMIUM QUALITY 18/8 STAINLESS STEEL. All our tumblers are made from 18/8 food grade stainless steel and are BPA free and highly resistant to absorbing odor, taste or bacteria and are 100% recyclable. SWEAT FREE. The KUDO! Tumbler insulated structure prevents condensation from forming. This means your tumbler will always be comfortable and easy to hold in your hand.