DOUBLE WALL VACUUM INSULATION: Enjoy Beverage Cold or Hot. Under normal temperature, it can keep your water, wine, or cocktail icy-cold for 9 hours or your coffee and tea scalding-hot for over 3 hours.
LIFETIME DURABILITY- 18/8 food grade stainless steel body, BPA free, healthier than plastic cup. The insulated tumbler never sweat due to the Vacuum insulated design. Powder coating on the outside fits more comfortably in your hand, looks good, anti-slip.
EASY CLEANING: Hand washing is recommended, electro-polished interior doesn't transfer flavor & no metal aftertaste, you don't have to worry about your morning coffee or afternoon teas being ruined.