ChloBo Necklace Collection Sterling Silver Box Chain Necklace Decorated With A Rainbow Pendant. In need of a little more positivity? The Delicate Box Chain Rainbow Necklace is worn as a reminder that there is always hope and light to follow darker times because after all, there is never a rainbow without a little rain. Bringing you a touch of positivity, hope & good fortune.The necklace length is 46cm which leaves the rainbow pendant resting on the neckline where it can be admired for its beauty. Each piece of ChloBo Jewellery has been approved by AnchorCert Protect. AnchorCert Protects against all known metal allergens, making it safe for your skin, even if you already have allergies.