Justinstones Natural Abalone Shell Rectangle Graduated 41pcs Beads Set Sell Unit : one strand, 41pcs beads included Unit Bead length: from 10mm to 30mm, Bead width: 4mm, Bead thickness: 4mm Side drilled near the top of bead (Hole size: about 0.8mm), the backside is rough, may have some natural holes Nice Handmade Loose Beads for Jewerly DIY or Making & Design Please note beads is unique, You will receive the similar item as shown, not exact ones in picture.