Patented. Copper-lined, vacuum-insulated deep draw liner maintains optimal drinking temperatures and provides 8X heat retention. Dual walled 18-8 Stainless Steel. Lead-free vacuum seal. Features a sweat-free design and thumb-slide, screw-on lid. 1-year limited warranty. Hand wash only. Complies with FDA. 3.875" D x 3.875" W x 8.25" H
