Whether you're drinking whisky out of these glasses, or simply pure water, the Moser leadfree crystal allows you to appreciate the most subtle nuances of taste. You will find yourself noticing an uplifting lightness that cannot be achieved with any other glass composition Tumblercut double oldfashioned glass is made of leadfree crystal Approx. 3.5"Dia. x 4"T Capacity: 12.5 oz Item Weight (Lbs.): 1.2 Not suitable for hot drinks over 104°F (40°C) Not microwave or oven safe Avoid contact between glasses during storage Hand wash Made in Czech Republic