Fino Stackable 10.5 oz Tumbler Cups - Set of 6 Insulated Stainless Steel Drinking Glasses for Coffee, Tea & Cold Beverages - Perfect for Home, Office or 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.