This octopus necklace is inspired by the unique intelligence of octopuses, which possess two memory systems and a remarkable neural structure that grants them exceptional thinking abilities. Crafted from hypoallergenic 925 sterling silver, this lead-free and nickel-free pendant features a vintage oxidation finish for durability and rich texture. The octopus pendant measures 20-22.2mm (0.78-0.87 inches), paired with an adjustable 18-20 inch sterling silver cable chain for a customizable fit. Presented in an exquisite jewelry gift box, this ocean-themed piece makes a thoughtful present for women, wives, mothers, sisters, daughters, or friends. Ideal for beach vacations or special occasions, it celebrates marine life enthusiasts and octopus lovers. Your satisfaction is our priority. For any inquiries about this heart octopus necklace, feel free to contact us for assistance. We are committed to resolving any concerns promptly.