Mill Hill beads. Petite glass seed beads from #40000 to #43000. 1.5 mm size 15. 1.6 grams with approx 425 beads per pack. These beads are designed to be uses in needlework for stitching onto fabric. Use for Mirabilia designs, Joan Elliott designs and many other patterns. Note the packs listed are those in current stock but we order frequently from the supplier and can easily order an packs that you need. Please just Contact Us and we will do our best to supply you.