Rainbow Centrifuge Hand Blown Mexican Multicolor 13 oz Highball Glasses (6)Mexico's Javier and Efren orchestrate a multicolored centrifugal illusion of for the design of these highball glasses. Each glass is crafted with traditional blown glass techniques, in which artisans blow through a metal pipe while twirling it with one hand. They simultaneously shape the molten glass at the other end, expertly achieving a colorful effect. Because each piece is handmade, shape and size can vary slightly and tiny bubbles may appear