Miyuki Tila Beads - Metallic Dark Plum Iris TL-454. Add more geometric interest to your beading projects with this versatile 2-hole bead. The Miyuki Tila is a high quality square bead made in Japan. Tilas can be used as building blocks in your designs and work great as connectors. This flat, tile shaped bead has a slim profile, 2 holes and measures 5x5mm with a thickness of 1.9mm. Miyuki Tila beads come in a tube containing approximately 80 beads.