Flip it open to drink, snap it closed, and tuck the bottle into your bag or car cup holder with ease. The Stanley AeroLight™ 0.71L in Azure , crafted from spun-steel insulation, keeps your water icy cold for days. Plus, the new spout pops off for an even easier clean. This double-wall vacuum insulated bottle is your ideal sidekick for whatever your day throws at you—whether you’re wandering city streets or powering through a gym session.