We have Toho and Miyuki size 15 seed beads. Both have a diameter of 1.5mm. Unless otherwise stated, they are sold in a flip top box containing approximately 7 grams depending on the finish.There are about 2000 beads in a box.
Miyuki single colour beads are made by Miyuki and coated in the Czech Republic.
Bead Mixes are made from Miyuki beads (no Czech coatings).