Tila Beads measure 5x5x1.9 mm, and each Miyuki Tila Bead has two parallel 0.8mm holes. Like other Japanese seed beads made by Miyuki, Tila Beads are high-quality and uniform in size and shape, so you can count on their consistency.
Half Tilas are the same height but 1/2 the width as regular Tilas, measuring 5×2.3×1.9mm.
Quarter Tilas are 5mm in length 1.9mm wide and 1.2mm deep.The beads have two holes, each hole is .8mm ID.There are appx. 48 beads per gram.