La Rochere, located in France, is the oldest continuous running glass factory in Europe. Opened in 1475 (17 years before Columbus came to the Americas, La Rochere has been producing glass. Each item is machine made in France at very high temperatures producing a glass the is both crystal clear and durable.. This heavy duty glass is sturdy and perfect for everyday use. It is both casual and elegant and dishwasher safe. The many embossed decors include the Napoleon bee, French royal Fleur de Lys, Dragonfly representing sping and rebirth, Versailles, which is developed from the palace at Versailles, or Perigord, the traditional lines and clarity from the Bordeaux region, each piece is a piece of French glass history.