From the Thermos™ vacuum insulation technology, to the Durause™ bottle or food jar convenience, to the Dura-temp™ twist and pour stopper, this beverage bottle is truly iconic. The Icon™ Series by Thermos is a celebration of what’s made us thrive for over a century: Meticulous design, thoughtful engineering, and a relentless desire to make people’s days easier. Make every sip worth savoring with this 40oz. Stainless Steel Beverage Bottle. Simple, timeless food and beverage containers, built to stand the test of time. Hot stays hot. Cold stays cold. Food stays fresh.