Natural Mother Of Pearl Shell Semi-precious Gemstone Heart Beads Quantity: one strand approx 15" long (approx 62 - 66 beads) Bead size: approx 6mm x 6mm x 2mm Hole size: approx 0.30mm, top centre drilled Beads sizes do vary between different gemstones or even batches for the same gemstone. Please note that there could be a variation of up to 0.5mm in size Please allow for some wastage due to the cutting process. Some may not be a complete heart shape.