Stanley has been building durable, rugged products since 1913. Passed down from generation to generation, the Stanley vacuum bottle is an icon. With their classic hammertone green finish, these bottles are built to last. This 44-oz. Classic Bottle keeps contents hot or cold for 24 hours. Double-wall vacuum insulation. Durable rustproof finish. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Bottles.