Cu Classic Single Wall Water Bottle, 1000ml.Copper is an essential trace mineral that is vital to human health. It has anti microbial, anti oxidant, anti carcinogenic and anti inflammatory properties. As per Ayurveda, water stored in a copper vessel has the ability to balance all three dosha in your body Vata, Kapha, pitta by positively charging the water. The water stored in a copper vessel is known as Tamra Jal. This water may be consumed after storing it in the vessel overnight for 8 hours.