HOT OR COLD, ALL DAY LONG- This double-wall vacuum sealed insulated mug can keep drinks hot for up to 3 hours or icy cold for up to 8 hours. Easily add ice cubes for cold drinks so you can enjoy iced drinks for hours.PERFECT FOR COFFEE, TEA, AND MORE: Keep coffee, tea or hot chocolate hot for hours on end in this mug. Perfect for at home, the office, while camping and more. This mug is also great for keeping cold drinks icy cold, whether you're enjoying iced tea, soda, or adult beverages.DURABLY CONSTRUCTED PREMIUM MUG- The double-wall stainless steel design keeps your drinks hot or cold without sweating or burning your hands.LEAK-PROOF LID- The screw-on lid is leak-proof, so you don't have to worry about your beverage leaking. The flip-top lid securely fastens closed while not drinking and easily opens with one hand when you're ready to drink.EASY TO CLEAN- The lid of the mug is dishwasher safe for easy cleaning. The wide opening of the mug makes it easy to clean with most sponges and brushes.