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 465ml Optica Cognac Glass is designed and made in Italy from lead-free crystal glass. The glass features a unique ribbed design and unique shape which transmits the quality of the beverage. It is ideal for cocktails and spirits. 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.