BUZIO Vacuum Insulated Stainless Steel Water Bottle (Cold for 48 Hrs/Hot for 24 Hrs), 64oz Double Walled Wide Mouth Sports Drink Flask with BPA Free Straw Lid and Flex Cap, Cobalt

- An entirely new insulation innovation Now weve re-innovated that popular insulation technology, adding a unique temperature retaining coat between the double-wall stainless steels to make it even b...