Yin and Yang Friendship Necklace Set Yin and Yang Friendship Necklace Set Two 18"steel Necklace Great gift for best friend Yin Yang Necklace UV Resistant and waterproof. Gift Bagged for the perfect gift You can return this item for any reason and get a full refund: no shipping charges. The item must be returned in new and unused condition. Go to Your Orders to start the return Print the return shipping label Ship it!