Unique Design:The two i love you yin yang/best friend/couple necklace can be together into a heart shape easily,it means never be apart between lover or BFF;Pendant Size: 30MM(1.18'')*22MM(0.87''),chain length 50cm+5cm(20"+2");Material:316L Stainless Steel metal, harmless, anti-radiation, anti-corrosion, and doesnt fade;Good quarlity vacuum plating made well coated surface, shinny and smooth,trendy looking;Package: 2pcs Best Friends Necklace comes with an exquisite gift bag, can help you keep or store it;Occasion: This is a perfect gift, these friendship necklaces can bring your best friend, female Friends, sisters or mothers, make your relationship closer.