Double-walled vacuum-sealed building assists in keeping your water cool for hours and stops condensation from forming at the out of doors of the bottle. Evidently one hundred% BPA-Unfastened, style-Unfastened chrome steel does not require inside liners or plastic coatings like the ones utilized in aluminum bottles. Redesigned cap for higher sturdiness and quicker glide from our patented turn-best chunk valve that allows you to sip with out tipping or spilling. Built-in loop take care of for sporting comfort. Dishwasher secure. Hydration Capability: 16 oz. / .5 L.