The Duos glasses feature two layers of glass blown together for a cool floating look, smart insulation and lasting durability, The innovative design keeps hot drinks hot but cool to the touch and cold drinks cold without the usually sweating, Dishwasher and microwave safe, Double wall glass, Dishwasher-safe, Innovative glassmaking techniques produce perfectly smooth rims and edges, Designed In Italy, Dimensions: 4, 8 x 4, 8 x 4, Capacity: 8 oz, SKU: LGBM002