Luigi Bormioli produce beautiful Italian crafted drinkware and the Optica range brings together the retro look from the 1920's with a new age style of glasses. The 210ml Optica Flute is designed and made in Italy from lead-free crystal glass. Created with Luigi Bormioli's proprietary SON.hyx to strengthen and keep glass brilliant and created with their proprietary Titanium Reinforced permanent treatment to increase stem strength and durability. This product is not recommended to be washed in a dishwasher and handwashing is recommended.