Super Duo Beads are a Czech made, glass Two Hole Seed bead, similar in shape to the Twin bead, but with a few very important differences.

Super Duos are a pressed glass bead with consistant size and dimensional stability. They measure 2.5x5mm, with two .8mm holes.

They are not simply coated crystal but actual colored glass with many coating options: Transparent, Opaque, Matte, Color Lined, Picasso, Luster, AB Coating & Magic Line.