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 breakages.Italian Tasters - Products tested by Centro Studi Assaggiatori Italiano.Fine, reinforced and laser cut rims.Pulled stems do not have any mold seams and are highly flexible.Made in Italy