Why buy bottle made of plastic or glass when you can buy a pure copper bottle for the same price? Pure copper water bottle (inside copper material and outside steel) from 'dynamic store' crafted for best Ayurveda health benefits. A whole new concept with the goodness and benefits of copper and the durability and sophistication of stainless steel. Enjoy the benefits of drinking water from a copper vessel without worrying about the damage. Capacity-750 ml and 1000 ml. Warranty 5 years.