32 ounce Polar Camel Water Bottle The superior hot & cold retention of the double wall insulated Polar Camel high endurance drinkware is now available in a water bottle! The screw on lid features an easy flip top, soft rubber finger hold, raised ridges for easy opening and closing, and a rigid & removable straw for easy cleaning. Polar Camel Water Bottles are available in 16 vibrant Powder Coated colors to choose from! The primary feature in Polar Camel Water Bottle is the double walled, vacuum sealed insulation method, which provides double the insulating power of most tumblers, and also keeps it sweat-free on the outside. This water bottle keeps drinks hot up to 6 hours and keeps iced drinks cold for more than 24 hours.