Experience elegance and functionality combined with our 'Black and Gold Seigaiha Ringneck Tumbler'. This custom 20oz tumbler is a perfect blend of traditional design and modern utility. Crafted with a double-wall, stainless steel construction, it offers superior insulation, keeping your beverages at the desired temperature for longer periods, whether hot or cold. The tumbler showcases a beautiful, glossy varnished print featuring the classic Seigaiha pattern, an iconic Japanese wave design…