I really like these. Leaded crystal releases a lot of lead into the drink. These are made with titanium and don't leach.

Schott Zwiesel Tritan Crystal Glass Barware Bar Special Whiskey Cocktail Nosing Snifter Glasses (Set of 6), 10.9 oz, Clear https://www.amazon.com/dp/B01367UO9K/ref=cm_sw_r_cp_api_i_kAmrCbX1SWGV5