Mexican Glass Blue Swirl Tumblers 16 Oz Set of 6 6 Individually hand-blown blue swirl tumblers made with recycled glass. A great festive look. Handmade in Mexico by gifted artisans. Blue color is fused into glass, not painted. Sturdy enough for daily use. Each glass will vary slightly as a result of being individaully mouth-blown. Dishwasher safe, Blue Swirl Design Cinco de Mayo party, great for a unique look, each glass is one of a kind swirl design.