Keep your beverages naturally cooler with a handmade copper tumbler that chills completely from the bottom to the rim. This 16-oz. tumbler is hand welded with the highest quality copper and finished with a tarnish-reducing lacquer. Handcrafted process results in minor imperfections, which are part of the tumbler's character. Features a set of coordinates for Philadelphia, the hometown of United by Blue, whose mission is to remove one pound of trash from the waterways and oceans for every product sold. Recommended for cold drinks only. Imported.