THE ESSENTIAL D.O.F. GLASSES - The D.O.F. Double Rocks Glass set delivers an elegant tumbler for Old Fashioneds or any cocktail served on the rocks. Perfect for cocktail hour or sipping a Negroni, always ready for drinks. EUROPEAN-MADE LEAD-FREE CRYSTAL BARWARE - Made from brilliant lead-free crystal, this premium glass set elevates your home bar. Spiegelau's experts collaborated with award-winning mixologist Stephan Hinz to craft a line of barware for superb presentation. DISHWASHER SAFE AND MADE TO LAST – Spiegelau’s Platinum Glass process ensures your glassware’s longevity, brilliance, and crystal clarity. Avoid harsh detergents and rinse thoroughly to avoid soap residue or hand wash and polish for best results. HIGH-END GLASSWARE MAKES A DAZZLING GIFT - Give this glassware set as a wedding gift or housewarming gift for the people in your life with discerning taste. Crystal glassware makes for a practical gift with effortless sophistication that lasts a lifetime. 500 YEARS OF GERMAN CRAFTSMANSHIP – From creating fine glass mirrors for the old Royal courts of Europe in the early 1500s, Spiegelau brings centuries of expert craftsmanship to modern glassware design. Ideal for gracious entertaining and gracious living.