Description A staple for every household with a classic look. This copper-crafted tumbler is meant to bring a sense of well-being to your water. Storing water in copper vessels can play a significant role in cleansing our system. After four hours, or preferably when stored overnight, water takes on a certain quality from the copper, which is beneficial for your overall health. Read the full article by Sadhguru on how water stored in copper vessels can play a significant role in cleansing our system of various toxins. There are copper vessels designed for personal use on the go, for storing enough water for the whole family, for serving water at large and small gatherings or just to have a health sip yourself. To view the full range of Isha products available click here. Copper utensils, when exposed to air and water, can gradually turn dark (bluish-green) and dull. Click here to read Copper Cleaning Guide Note: Please do not store milk, juices and other beverages in copper vessels.