Office-goers and gym enthusiasts will appreciate a Stanley The IceFlow Flip Straw Tumbler - 30oz. The updated stainless steel design with double-wall vacuum insulation keeps cold beverages frosty and refreshing for twelve hours or more. Its leakproof lid with a built-in flip straw allows for effortless one-handed sipping in between lifts or while wrangling cranky toddlers. Bring it with you wherever you go with the easy-to-carry handle and cup-holder-compatible design. When the day is done, simply pop it in the dishwasher and dream about the sweet taste of tomorrow's drink of choice.