Whether you're drinking whisky out of these glasses, or simply pure water, the Moser lead-free 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 Made of lead-free crystal Capacity, 13.5 oz Item Weight (Lbs.): 1.3 Hand wash Not suitable for hot drinks over 104°F (40°C) Not microwave or oven safe Made in Czech Republic