After a big workout or workday you need something big to quench your thirst. For those days there’s the Iron Flask 64 oz Wide Mouth Water Bottle With Straw Lid which features a wide mouth for quick filling and a straw lid for sophisticated sipping— plus a flip lid and a stainless steel screw on lid so you can switch ‘em up. This bottle holds a whopping half gallon of your favorite beverage in a double walled stainless steel container that keeps said beverage cold for 24 hours and hot for 12 hours with no bottle sweat.