Expect endlessly refreshing sips with Stanley's *trending* tumbler, featuring vacuum insulation to keep your water cold for eleven hours, and two days when iced. The advanced FlowState™ lid features a rotating cover with three positions: a straw opening designed to resist splashes while holding the reusable straw in place, a drink opening, and a full-cover top. Whether you're heading to the gym, office, or even road trippin', consider your thirst *quenched*.