From Luigi Bormioli, the Vinalia Collection Prosecco Flute / Champagne Glasses feature: Our Sublime collection is superb in every detail and made with our SON.hyx formula, creating a break-resistant, ultra-clear glass that is transparent and will remain so even after 4,000 dishwashing cycles. The subtle design makes Luigi Bormioli's Sublime collection casual enough for everyday use yet bold enough for any daring event.  Set of 6 glasses SON.hyx® - High-Tech blown lead-free crystal glass, is break resistant and dishwasher safe Titanium Reinforced - Permanent anti-abrasion treatment applied directly to the glass' stems to increase resistance to breakage Fine, reinforced and laser cut rims Innovative, elegant and functional design Pulled stems do not have any mold seams and are highly flexible Flat foot to guarantee better stability and easy to hold Made in Italy 25 year guarantee covers rim and foot chipping as well as discoloration from dishwashing Dishwasher safe Measures: 2.8" dia. x 9.3" H  Capacity: 7-oz Imported.