This item is a string of quality white freshwater pearl. The size is approx 5mm in diameter. Because it is natural products, the size might have a very small variation. Each string has approx 85pcs pearls. You can use this product to make your own necklace, bracelet and other accessories. Please note this is NOT a necklace these is a string of lose pearls. Although the photo shows two strings this offer is for only one!