Material: Pure Copper Pitcher Capacity: 50 fl oz/ 1.5 Liters Tumbler Capacity: 8 fl oz/ 240 ML When water is stored in a copper vessel or bottle, for eight hours more, copper releases some of its ions in the water, through a process called the Oligodynamic effect. Copper is known to have antimicrobial, anti-inflammatory, anti-carcinogenic and antioxidant properties. It assists in the formation of hemoglobin as well as cell regeneration and unfortunately, the human body cannot create the trace amounts of copper it requires to function healthily, therefore, copper has to be a part of our intake either through food or water Copper Fights off Cancer: Copper is a known antioxidant, which means it fights off all the free radicals and negates their negative effects. Free radicals and their harmful effects have been major causes of cancer in the human body. AWF Hand Crafted copper Jug Pitcher with a set of two Tumblers makes an excellent present for homemakers as there are many health benefits which helps the entire family to remain healthy. Great as an addition to your existing collection, which fits an active lifestyle Copper Products Tarnish/oxidize over time, this is Natural for Copper products. Please follow the care Instruction manual for cleaning Copper products. Cleaning Instructions:- Hand Wash only and avoid dishwasher. Wipe with soft cotton cloth Note: Copper utensils are specifically made for cold water and not for sodas or hot drinks. Copper will discolor in time through oxidation. This can create some stains, a natural characteristic of copper. Cleaning and Maintenance: Clean with a small amount of natural soap, a soft sponge and lukewarm water. To make the copper shine, you can use a little bit of lemon. Do not clean the bottle in the dishwasher. Do not expose the bottle to direct sunlight.