Fino 10.5 oz Stackable Tumbler Cups - Set of 6 Insulated Stainless Steel Travel Mugs for Hot & Cold Drinks - Perfect for Coffee, Tea, Smoothies at Home, Office or Camping

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.