Fino 13 oz Stackable Tumbler Cups - Set of 6 Insulated Stainless Steel Drinkware for Coffee, Tea & Cold Beverages - Perfect for Home, Office & Outdoor Use

Based on their original award-winning stackable series, the Fino model is much thinner and more refined. Despite the super thin glass used to make them they are surprisingly durable thanks to Toyo-Sasaki's patented ion toughening technology.