Traveling with your favorite beverage is a breeze with this 40 oz. travel tumbler! This item’s interior and exterior are made of stainless steel and feature double-wall construction that can keep drinks cold for 24 hours and hot for 8 hours. Sipping on the go is simple thanks to the screw on and spill-resistant lid, straw hole, and 12″ straw. In addition, this product also meets FDA requirements and has a BPA-free design.