Hand-Forged Copper Bathtub. Artis Craftsmanship: Each tub is individually hand-hammered, ensuring a unique patina and one-of-a-kind texture. Eco-Friendly: Made from sustainable materials, this tub is 100% recyclable and built to last several lifetimes. Superior Thermal Retention: Copper is an elite heat conductor, keeping your bathwater warm for significantly longer without needing a top-up. Farbe:Brown