Promotional Hydro Flask double walled travel mug (473ml) Double-walled travel mug from the Hydro Flask brand. The flask is made of high-quality stainless steel and finished with an attractive powder coating. Features a wide opening and screw cap with carrying ring. The cap has a Flex Sip Lid™, specially designed for drinking hot beverages. This handy bottle makes it easy to take hot coffee or tea with you on the go. The unique TempShield® double-wall vacuum insulation keeps cold drinks cool for up to 24 hours and hot drinks warm for up to 12 hours. The leak-proof closure ensures that you can carry the bottle in your bag without any worries. Designed for everyday use and easy to carry. Ideal for on the go, on a hike or during a day out. Capacity 473 ml. Dishwasher-safe. Washing by hand is recommended to preserve the print.