Set of 4 exquisite crystal white Murano glass art stemless tumblers in vibrant confetti design. Perfect as drink-ware or piece of art. Murano Glass is known for its intricate designs, vibrant colors, and centuries-old craftsmanship. It is highly sought after by collectors and art enthusiasts worldwide. Murano glass is made by hand using a special glassblowing process that has been passed down through generations. The glass is made from silica, soda, lime, and potassium, which are melted together in a special furnace at a temperature of 1500°C. Minerals are added to give the glass its vibrant colors.