MADE IN CZECH REPUBLIC, GLASS for perfect brilliance and crystal clarity. High quality processed rim with unique toughening for maximum drinking pleasure. Perfectly polished transition from cup to leg adds to the elegance. High mechanical resistance evaluated in compliance with EU technical standards. Resistant to thermal shocks of 60 ºC (rapid cooling from 80 ºC to 20 ºC) SUITABLE FOR THOUSANDS OF DISHWASHING CYCLES, WILL NOT ETCH, CLOUD OR DISCOLR FOR THE LIFE OF THE GLASS.