The charming 16" 4rows necklace , made with 4.5-5.5 white and 4.5*6.5mm purple, green cultured freshwater pearls. Each delicate pearl with smooth surface, slick and in good quality, is professionally strung on double silk thread for security and beauty. The 4rows are twisting each other making it a great looks. A metal clasp matching it well. Charming!