The Hydro Flask 32 oz. Wide Mouth W/ Straw Lid is a large bottle for easy filling and simple sipping. Drink your drink out of this and it'll remain cold for up to 24 hours. Fill up and head out the door, whether you're going to work, school, the gym or somewhere in the outdoors. The sip lid opens with a flip and is ready to refresh your palate with no need to tip up the bottle. A built-in loop makes for quick carrying or grabbing.