Luigi Bormioli Set of 4 Michelangelo Masterpiece Wine Glasses, 11.5-Oz. Measures 3.5DIA X 8H 0.47LBs 11.5 oz Red Wine glasses come in a set of 4 Sparkx - Ultra Clear and durable Glass according to ISO/PAS IWA 8:2009 Lead and heavy metal free Titanium Reinforced - Permanent anti-abrasion treatment applied directly to the glass stems to increase resistance to breakages Fine, reinforced and laser cut rims 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 Lightness superiority to 98.8 Chroma inferior to 0.5 Iron oxide inferior to 140 ppm Resistant to over 2,000 industrial washing cycles. Sparkling maintained Guarantees the stems resistance to breakages even after multiple industrial washing cycles Glass sparkle and transparency is maintained Avoids any glass discoloration. purest raw materials, advanced and friendly melting processes highly innovative production processes, enable the achievement of a glass: extra pure and totally transparent, sparkling, longer lasting, resistant to breakage.