Miyuki size 6/0 beads are packaged in 6" tubes, with appox. 28 grams per tube. There are 12 beads per gram so a tube holds appox. 336 beads. The exception to this are the precious metal coated beads. They are packaged in 3" tubes, with approx. 14 grams per tube therefore a tube holds approx. 168 beads per tube. Miyuki beads are made to exacting standards, so you can count on their consistency. Prices are discounted by volume, buy more tubes of the same color and get a deeper discount. If you purchase 9 tubes or more you will receive a 250 gram bulk bag, which may need to be special ordered, and will take 3 to 5 additional days to ship* If you are looking for a bead by its number you can search in the search window in the upper left hand corner of the home page.  Just enter the bead size and number, ex: 11-334 and that will get you any bead with those numbers in its name or id code. Then choose the one that matches your need.