Made with Luigi Bormioli's latest innovation, SON.hyx. SON.hyx is a high-tech blown lead-free crystal glass that does not contain any heavy metals. This glass present outstanding chemical, optical and mechanical properties. It is strong with a higher resistance of the rim, a higher resistance to impacts, and a higher resistance to twisting the stems.To make it even stronger, the glass was reinforced with titanium. The permanent anti abrasion treatment on the glass’ stems hardens the glass surface increasing its resistance to abrasions, which are responsible for the fragility of the stems during daily usage. Features: SON.hyx Crystal - Our Gin glasses are made using the latest innovation SON.hyx, a high-tech blown lead free crystal glass. This strong crystal is highly resistant to breakage Titanium Reinforced - Our gin cocktail glasses have also been improved with a permanent anti-abrasion treatment applied directly to the glass’ stems to increase resistance to breakages Dishw