Make It, Shake It, Take It. – It Might Look Elegant And Pristine, But The Contigo Shake & Go® Tumbler Loves To Get A Little Crazy And Shake Things Up. Everything From Iced Tea, Coffee, And Water Enhancers To More (Ahem) Adult Beverages Can Be Mixed With No Leaks Or Spills, Thanks To Autoclose® Technology. So, To Answer The Age-old Question — Shaken, Not Stirred.