Unity® "Meiji" Moss Green Tetsubin Teapot. The "Meiji" Teapot is an elegant Cast Iron Tetsubin teapot whose unique decoration was inspired by highly prized Japanese antique teapots still in use today. Its Moss Green color will brighten even the darkest winter's day, while it's Black Enamel-Lined Interior makes for easy cleaning. For brewing and serving tea; Not intended for stovetop use. 28 Oz. capacity.