This rugged little tank of a bottle is built to withstand anything—dings, dents and even drops—all while preserving the thermal integrity of your favorite beverage. It’s slim so you can grip it one-handed, and the leakproof design features a twist-and-pour stopper for better control. There’s even an insulated lid that doubles as a cup for drinking. Classic Series 18/8 stainless steel, BPA-free Double-wall vacuum insulation Leakproof + packable Insulated lid doubles as cup Dishwasher safe