Mermaid & abalone double laye necklace . Chains are Stainless steel . First layer is 15 inch and second is 17 inch ( it has a 2 inch extention in the back as well to adjust longer if needed ) ( If you need a different size lenght let me know i can adjust ) Handmade by me . Genuine blue green & black abalone shell oval cham . Mermaid charm is antique silver plated . mermaids / ariel / puka / ocean / beach / boat / boating / marine / navy / surf / surfer / summer / mother of pearls / shells / pearls / diving / boho / bohemian / hippie / bohochic / gypsie / gift /Stylish, magical , mystical , dainty , trendy , pendant ,enchanted / crystals / fairies / witch / goth / galaxy / sky / whale / dolphin / mermaid tail / silver color /