This glass bowl with a snap on lid helps to keep cooks organized by letting a cook partially prepare a meal in advance, which is essential when entertaining. Vegetables can be chopped, meats can be marinated and sauces blended a day or two early, covered and then stored in the refrigerator. Duralex Lys Round Bowls with Lids are truly a must have for every kitchen. Glass bowls are a kitchen essential. Microwave safe bowls with Snap-On lids make these bowls indispensable. The bowls nest for storage and are dishwasher safe. Founded in 1939, Duralex has been manufacturing tempered glassware and tabletop products for over 80 years in La Chappelle-Saint-Meshing in the very heart of France. Since 1939, when Duralex invented the glass tempering process, the name Duralex has been associated with toughened glassware, utilizing their proprietary process. The original tempered (toughened) Picardie glasses are still produced in France and are known as the “original French tumblers”. The Picardie glass is functional yet stylish and feels extremely comfortable in the hand. The tempered glasses are equally suitable for cold or hot drinks, conveniently stackable, microwave, freezer and dishwasher-safe, impact and chip resistant, and the perfect weight. With the help of continuous investments and commitment to quality, Duralex has reached a level of excellence that makes its products recognized throughout the world. Duralex is and will always remain a true French manufacturer of glassware and tabletop products, and is the only glass manufacturer that makes 100% of their products in France.