Duralex Cosy Mug - 6 Piece, 12 Ounce Set includes six Clear Mugs. Capacity 12 3/8 oz, Diameter 8.6 cm, Height 10.5 cm. Duralex,shock resistant tempered glass, is 2.5 times more resistant to breakage and chipping than normal glass Can also withstand sudden thermal shock, from -4 F to 212 F Duralex glass is very hygienic. It is non-porous and does not absorb liquids, colors or flavors Dishwasher, refrigerator and microwave safe. Products maintain the original look for years. Made in France.