Thoughtfully designed to be your personal hydration companion whether you're working inside or playing outside, or for anyone who needs to stay hydrated throughout the day. Take our largest IceFlow Flip Straw Jug with you on all-day outings, with fewer stops for refills. Just flip it up to sip, then press down to close. Stanley's double-wall vacuum insulation also keeps it icy cold for hours. Take it where you need to go - the handle and built-in fence hook provide portability and convenience.