Copper Hammered Design Big Glass Tumbler with 2 Rings - 1 700 Weight - 180 Grams Height - 6.3 inch Width - 3.5 inch Volume - 700ml Best Pure Copper Plain Design Goblet Glass Tumbler with Lid. We offer the best affordable prices Free Shipping PAN India. We also offer Easy returns exchanges. T C Applied. Water stored overnight in copper Utensils is essential for hemoglobin synthesis, bone strength, and immunity building. Copper helps in maintaining digestive health, healing wounds, and relieving pains. Copper is an Antioxidant and anti-carcinogenic that prevents cell damage and slows aging. Copper is the primary element to produces melanin (pigmentation of eyes, hair, and skin) in the human body. Something as simple as copper-treated water can help in improving your overall health greatly. It is a proven fact that water stored in copper Glass overnight is known to be purer and absolutely safe for drinking. Consumption of copper-charged water helps in curbing away several serious health ailments ranging from thyroid to cardiovascular diseases easily. Copper utensils need to be cleaned at regular intervals for removing the dark marks. Dark marks are formed due to the oxidization process. It is the basic nature of Pure Copper that it oxidizes when it comes in contact with air and water.