18 oz Thermal Bottle | UNCOur original art is now available to bring along on all of your on the go adventures. This triple walled 18 ounce thermal bottle amazingly keeps beverages cold for 24 hours and hot for 12 hours. Thoughtfully engineered with a balanced swing top lid that keeps liquids secure AND stays put while you sip. Cap loop means your lid stays attached to the bottle plus provides easy carry, while the non slip bottom prevents spills and wet marks on surfaces.