These DuraShield™ lead-free crystal whiskey glasses are reinforced with Titanium for increased durability and to help resist chips or scratches. Barium is also added, in place of lead, to provide a truly lightweight crystal with an elevated brilliance. Barium is also added, in place of lead, to provide a truly lightweight crystal with an elevated brilliance. 100% Lead-free crystal for excellent durability, clarity & elegance. Designed for drinking whiskey, scotch or any other liquor enjoyed neat. Ultra-fine cold-cut rim for optimum mouthfeel. Center peak creates natural liquid motion. Handmade. Dishwasher safe.