This interesting strand of natural beads is made of natural fish vertebrae from West Africa. Each bead measures approximately 7-8 x 18-20mm, with a hole size of approximately 2mm. You will receive one strand measuring approximately 44". There are around 155 beads on each strand. Some strands may be larger than 18mm. Bead count is very approximate and may be less for larger beads. Please let us know in advance if you specific size requirements. Supply may be limited.