IndianArtVilla Handmade Joint Free Leak Proof Copper Thermos Design Bottles (Set of 4 ) - for Travel, Storage and health benefits FEATURES: Healthy Copper Bottles, Color: copper, Material: pure copper, Weight: 300 gram, Height: 10.3" inch, Width/diameter: 3.0" inch, Capacity: 37 OZ HEALTHY LIFESTYLE: Now easy and healthy way of living is much easier than expected as genuine Copper kills bacteria and is proved to be a remedy for weight, skin and ageing Problems MADE IN INDIA: Artisan Crafted Handmade metal ware is made by skilled craftsmen in India. POINTS TO NOTE: Comes with how to use manual by INDIAN ART VILLA, Care Instruction Booklet, Copper Cleaning Powder and INDIAN ART VILLA genuine packaging. PURE COPPER: Because our product is a Genuine Copper it may get tarnished which is natural and is liked by many customers as it gives a Vintage/antique look to Mug and is equally beneficial.