BUZIO Vacuum Insulated Stainless Steel Water Bottle 87oz (Cold for 48 Hrs/Hot for 24 Hrs) BPA Free Double Wall Travel Mug/Flask for Outdoor Sports Hiking, Cycling, Cam,Camping, Running, Black

- An entirely new insulation innovation Now we've re-innovated that popular insulation technology, adding a unique temperature retaining coat between the double-wall stainless steels to make it even better for keeping temperature of your drinks....