Hydronk Ultimate Stainless Steel Vacuum Insulated Water Bottle &ndash; Suitable For Hot & Cold Drinks &ndash; Extremely Durable Construction &ndash; Large Capacity Thermos 17 oz (500ml) DOUBLE VACUUM INSULATED BOTTLE FOR HOT & COLD DRINKS: The double-walled vacuum insulated exterior will keep your coffee warm for up to 12 hours. Hitting the beach maybe? Fill this bottle with iced water and quench your thirst for the rest of the day! Cold water 24/7! The twist on lid is also double-walled, adding extra insulation to your drink. COLORFUL, DURABLE STAINLESS STEEL: Hydronk has made this bottle to be extremely durable Made from premium gauge 18/10 stainless steel, this bottle is crack resistant and will not break, sure to be around for a long time. Plus, this comes in 5 great colors! This FDA approved water flask will also never rust or leave a bad metal taste in your mouth. TOTALLY LEAK PROOF & SWEAT-FREE THERMOS: The exterior will never sweat. Don't worry about getting water on your desk, rings on your table, or a mess in your bag! The leak proof bottle won't even be hot or cold to the touch no matter the temperature of the liquid. STOPS SPILLS: Say good-bye to spilling your drink on your shirt because of sloshing. The narrow mouth making it perfect to drink out of while being large enough for filling with ice cubes VERSATILE ENOUGH FOR ALL YOUR DRINKING NEEDS: This bottle will keep your beverage the same temperature for a long time and the narrow mouth makes it easy to drink out of on the go. This is perfect for the gym, office, road trips, sporting events, picnics, use at home and so much more.