Duralex - Lys Square Stack-able Glass Bowl with Blue Lid, Set of 3 Sizes Set includes 3 different sizes: 14cm.-21.5oz, 17cm.-40.5oz, 20cm.-70 3/8oz. 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.