This is for a single 16" strand of red sponge coral thick coin & wood round beads. The approximate size of the round wood beads is 6mm-10mm and the approximate size of the red sponge coral coin beads is 14mm {6mm thick}. There are approximately 48 beads on this strand. Please Note: Due to the nature of these substances, the beads on this strand do have some naturally occurring external inclusions/imperfections. Make sure to check out my ebay store for other great bead auctions and buy it now beads. Thanks for looking!!