2.5x5mm two hole seed beads. These SuperDuo Duets feature a different color on each holed side. Movement creates a shimmery ombre effect. Czech made glass seed beads, similar in shape to twin beads but are pressed glass with a guaranteed size and dimension stability. Czech two hole beads are not "coated crystal" but colored glass with a variety of coating options. Oval shape with two 0.8mm holes for beading. Create spatial shapes, original structures, lacy designs, or fabulous seed bead jewelry. Conveniently packed in 24 gram tubes, approximately 330 beads per tube. Sold by the tube.