As sunlight streams through the contours of La Rochere's Coteau tumbler, illuminating its chic design, take a sip of your favorite chilled beverage. The architectural rim gives way to its classically stripped surface, the embodiment of everyday French elegance. Steeped in tradition, La Rochere is the oldest glass manufacturer in France. Their pieces are fired at high temperatures producing an exceptional quality glass that is crystal clear, durable, and dishwasher safe. La Rochere pieces are renowned for using a traditional molding process which creates their iconic seam.