Avanti Rigato Double Wall Glass 250mL (Set of 6)Enhance your coffee and tea drinking experience with the Avanti Rigato Double Wall Glasses. Stylish and practical with a ribbed exterior, they create an optical illusion with a floating effect and are also suitable for soups and deserts. Crafted from heat resistant borosilicate glass, each piece is individually mouth blown and are designed with a double wall for thermal efficiency to keep contents hot or cold for longer. They feature a safety vent at