Do you dream of sipping your favorite beverage on-the-go while keeping it icy cold or piping hot? Our 40 oz Tumbler is here to revolutionize your drinking experience! Engineered with double-walled vacuum insulation, this marvelous tumbler will keep your cold drinks chilled for up to 24 hours and hot drinks toasty for up to 12 hours. No more lukewarm coffee or warm water on a sweltering day! And it gets better! The tumbler is made from high-quality, BPA-free, and eco-friendly stainless steel, ensuring durability and sustainability, all while giving you a sleek and stylish look. The easy-to-hold design and generous 40 oz capacity make it the ultimate companion for daily adventures, whether you're conquering the urban jungle or exploring the great outdoors.