Luigi Bormioli 10952/01 On The Rocks 13.5 oz DOF Double Old Fashioned Glasses (Set of 4), Clear Measures 3.5DIA X 4H 0.95LBs 13.5 oz DOF drinking glasses come in a set of 4 Base has rock shaped finish that creates sophisticated look SON.hyx - High-Tech blown lead-free crystal glass, is break resistant and dishwasher safe Fine, reinforced and laser cut rims Multi-purpose: water, juice, cocktails or spirits Innovative, elegant and functional design Thick base to guarantee better stability and easy to hold Made in Italy +37.5% Resistance of the rim +105% Resistance to impact test +98% Resistance to twisting of stems Sound amplifier Lead and other heavy metal free Produced with low CO2 emission level 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.