This Guinomi glass, or sake cup, features a unique ceramic design characterized by its earthy tones and organic shape. The exterior exhibits a rich, dark green glaze that gracefully transitions into a warm, natural brown at the base. The craftsmanship includes a slightly uneven rim, adding to its artisanal charm. The interior reveals a textured, matte finish that contrasts with the glossy exterior, enhancing the tactile experience. Overall, this piece is perfect for enjoying sake, embodying a blend of traditional Japanese aesthetics and functional elegance.