A Set of 5 Pieces Handmade Indian Ayurveda Copper Glasses Stylist Copper Cups Set for Drinking Water Product Type - These are handmade copper Glasses / Cups . Quantity- 5 Pieces Glasses , Glass Height- 4" , Diameter- 3" ,Materials- 100% Pure Copper , Important Note For Use All Copper Items - Clean your copperware Regularly by hand With the Copper Cleaner and avoid dishwasher as the detergent can cause oxidation leading to permanat damage Handling Time- 1 Day , This is 100% handmade copper Cups / Glasses . According to Ayurveda, Water stored overnight in the copper pitcher has rejuvenating and purifying properties.The Anti- Bacterial / Microbial Properties of copper vessels have also been scientifically proven by researchers.