CraftbuddyUS 50pcs Ab Clear 18*13mm Rectangle Resin Sew on Diamante Rhinestone Crystal Gems 50pcs AB Clear 18*13mm RECTANGLE RESIN Sew On DIAMANTE Rhinestone Crystal Gems 50 pieces per packet Free Shipping Each crystal has two holes so can be sewn onto fabric, or stuck on with glue These are resin not acrylic or glass