Isolano Tumblers by Zafferano: An Experience of Elegance and Craftsmanship! Made from mass-coloured soda lime glass, hand-blown and meticulously crafted, these tumblers are available in six captivating colours: amber, amethyst, blue, green, gray, and light blue. This collection stands out with its modern, streamlined lines combined with a luxurious surface decoration. The traditional artisanal technique used to create a diamond-effect texture adds a unique and sophisticated touch to each piece. This item is sold in sets of 6 pieces.