Our MLV PC glasses are made from the highest quality polycarbonate using some of the latest technology available to manufacture, resulting in a crystal-like appearance not seen in the general PC cups in order to meet a higher quality of life. Elegant: The high quality polycarbonate we use for the MLV glasses possesses the best transparency and reflection, giving it its crystal-like appearance. Safe: It is unbreakable and will therefore not cause any danger of injury, making it perfect for use by the pool or beach, picnic or barbecue, hotel or bar, etc… Convenient: Dishwasher safe, and lighter than glass.