【Unique Handcrafted Texture】Each copper mug is individually shaped using traditional hand-hammering techniques, giving it a distinctive, artisanal look with a rustic, one-of-a-kind finish. 【Built to Last with Thick Walls】Crafted from premium copper, this cup features reinforced, thick walls for exceptional sturdiness, promising long-lasting daily use and better temperature retention for your beverages. 【Secure Grip & Spill-Resistant Lid】The sturdy woven handle a comfortable, reliable hold. Paired with the fitted lid, this copper tumbler is easy to carry and helps keep your drink protected from dust and spills. 【Ideal Size for Daily Hydration】With a 350ml (12oz) capacity, this copper drinking cup is perfectly sized for your favorite cold water, iced tea, or other refreshments at home, work, or during outdoor activities. 【Natural Patina & Easy Care】Like all real copper products, this mug will develop a unique natural patina over time. Simply hand wash with mild soap to maintain its character; avoid harsh detergents and dishwashers.