Set of 6 Duralex glass bowls with a microfiber glass polishing cloth to clean and remove dirt and fingerprints from fine glassware Duralex glass stacking bowls are CHIP RESISTANT and EXTREMELY DURABLE - Duralex tempered glass plates are 2.5 times stronger than ordinary glass SHOCK RESISTANT – Duralex glass mixing bowls are manufactured to withstand sudden temperature extremes from -4°F to 212°F and is suitable for hot or cold liquids STACKABLE - The Duralex clear glass bowls are stackable for convenient and space saving storage. MICROWAVE, FREEZER AND DISHWASHER SAFE – Adaptable, modern Lys bowls can go directly from the freezer to the microwave. Dishwasher Safe. Named after the Lys River which traverses through France and Belgium, Lys Clear Stackable Bowls by Duralex, are symbolic of what this wonderful tributary used to represent to some of France's most famed artists: clarity, simplicity, utility, and of course, beauty. These glass bowls are made with a collar on the rim making them stackable. Both impact and chip resistant, these bowls are extremely durable and ideal for everyday use. Tempered glass makes them equally suitable for hot and cold liquids. Dishwasher and microwave safe. Made in France. Included in the set is a microfiber polishing cloth for cleaning and drying crystal and glass. Safely clean, protect, and preserve fine glassware vessels with this lint free polishing cloth.