Contigo AUTOCLOSE Shake & Go Single Wall Tumblers, 18oz, Cobalt/Watermelon, 2-Pack Make it, Shake it, Take it; AUTOCLOSE Technology allows you to mix and chill your beverages for superior, consistent taste with no leaks or spills Ideal for iced tea, iced coffee, powdered beverages and water enhancers No plastic odors or taste with FDA-approved, BPA-free Tritan materials Fits under most Single-Serve Brewers Top-rack dishwasher safe