Clean your copper dishes by hand and avoid the dishwasher as the detergent can cause oxidation and cause permanent damage. At such times, use a solution of equal amounts of vinegar or lemon juice and salt, diluted with a little water, but not regularly. For everyday use, a simple, mild soap-based cleaning liquid, hot water and a soft wash cloth is best suited. Copper hammered bottle, Color: copper, Material: pure copper, Weight: 240 grams, Height: 9.5 INCH, Width/Diameter: 2.6 INCH, Capacity: 900 ml. The new and improved cap is designed to be screwed on and equipped with silicone washing machine for a long and leak-proof use. It is waterproof and has a seal that prevents water from entering even when the bottle is upside down. The perfect way to cool water. Copper bottles ensure that the water stays cooler for longer. This bottle is heat sensitive; leave hot drinks such as hot water or tea hot in the bottle. Handmade copper water bottles are great as gifts for men and women. Great for weddings, anniversary gifts for mom and dad or husband/wife or simply as a fun addition to your current bar collection. JMD INTERNATIONAL 100% Pure Copper Hammered Travel Water Bottle - Ayurvedic Health Benefits. Clean your copper dishes by hand and avoid the dishwasher as the detergent can cause oxidation and cause permanent damage. At such times, use a solution of equal amounts of vinegar or lemon juice and salt, diluted with a little water, but not regularly. For everyday use, a simple, mild soap-based cleaning liquid, hot water and a soft wash cloth is best suited.