Material Pearl Metal type Silver Chain type Box Gem type Pearl 18'' Seashell Pearl Necklace--Chic and elegant, suitable for women, great gift choice for wife, mom, girlfriend, daughter, granddaughter, sisters, friends or yourself. Ideal gift choice for wedding, bridal, bridesmaid necklace or everyday necklace. Perfect present for Birthday, Anniversary, Valentines day, Christmas, Mother's day, Graduation, Engagement, Wedding, etc. Pearls diameter: 6m, 8mm and 10mm, Chains length:16.3 inches+1.3 inch extension, that is 41.5cm+3.3cm extension, Chains type: box chain Chain is solid 925 sterling silver, pearl is seashell pearl. Can match most of your clothes, can be used in most occasion. Will be perfect wearing with your off shoulder party dresses. 18'' Seashell Pearl Necklace--Chic and elegant, suitable for women, great gift choice for wife, mom, girlfriend, daughter, granddaughter, sisters, friends or yourself. Ideal gift choice for wedding, bridal, bridesmaid necklace or everyday necklace. Perfect present for Birthday, Anniversary, Valentines day, Christmas, Mother's day, Graduation, Engagement, Wedding, etc. Pearls diameter: 6m, 8mm and 10mm, Chains length:16.3 inches+1.3 inch extension, that is 41.5cm+3.3cm extension, Chains type: box chain Chain is solid 925 sterling silver, pearl is seashell pearl. Can match most of your clothes, can be used in most occasion. Will be perfect wearing with your off shoulder party dresses.