This dinnerware collection is named after the Lys River for its clarity, pure simplicity, utility, and beauty—all shared characteristics of the river that runs through France and Belgium. Its durable characteristics make these a terrific for everyday use! The Lys stackable mug is the perfect weight, functional yet stylish and feels extremely comfortable in the hand. They are equally suitable for cold or hot drinks, conveniently stackable, impact and chip resistant, microwave and dishwasher safe.