Simax Karina Mugs are perfect for parties and general home use. These stylishly designed glasses from Simax combine a modern design with a functional shape to fill all your serving needs. Each of the four glasses are made from tempered glass, making them heat safe for coffee, tea and other hot drinks. Heat resistant Borosilicate Glass is resistant to thermal shock, plus this glass will not chemically interact with your beverage in any way. Each piece is made of recycled glass and does not contain any Cadmium or Lead. These all-purpose glasses can be used for hot and cold drinks, parfaits, desserts, jello and much more. No matter what is being served in them, these glasses are sure to impress. Dishwasher safe.