Cord necklace made of freshwater pearls and a stainless steel adjustment chain. Cord dimensions: 37 cm Adjustment chain dimensions: 12 cm Necklace length: 49 cm Approximate bead thickness: 6 x 4 mm Guaranteed nickel-free, cadmium-free, and lead-free. Water resistant and does not blacken. ÉAs freshwater pearls are, their shapes and colors can vary from one stone to another.