Hit the road to adventure or a high-intensity spin class at home with the 20 oz. Stanley IceFlow™ Flip Straw Tumbler. This tumbler ensures that you always have crisp, cold hydration in hand. The ergonomic shape and built-in flip straw mean you can sip easily and effortlessly. It snaps tight to stay fully leakproof. Stanley’s double-wall vacuum insulation keeps your drinks icy cold, and a rotating handle makes it easy to take anywhere. Hand wash only.