8mm Round. These are dyed red bamboo coral beads. The colors vary from bead to bead. The natural density of the bamboo coral results in a variety of color within the beads. Beautiful color! You get a 16" strand of beads with an average of 52 beads per strand. There are very strict rules set in place regarding the importation of coral into the United States. International law protects the rarest and endangered coral in all parts of the world. Many varieties of coral are considered sustainable and in reality they grow faster than they are being harvested.