Matte Met Copper Rainbow Iris DB0323 Miyuki Delica Beads 11/0 - Japanese Delicas are a favorite among beaders because of their precision cut cylinder shape. These high quality tubular glass beads are perfect for bead weaving and bezeling projects. Pick out your favorite color combinations from the hundreds of colors and hues available. Miyuki Delica 11/0 seed beads measure 1.6mmx1.5mm with a hole size of .8mm. They come in a tube of approximately 1500 beads.