Genuine abalone shell mermaid tail set . Necklace and earrings . Chain is Stainless steel and adjust 16 to 18 inch long ( If you need a different size let me know ) Natural healing stones / gem / gems / mermaids / ariel / puka / ocean / beach / boat / boating / marine / navy / surf / surfer / summer / diving / boho / bohemian / hippie / bohochic / gypsie / gift /Stylish, magical , mystical , dainty , trendy , pendant ,enchanted / crystals / fairies / witch / goth / galaxy / sky / whale / dolphin