Hello Cecily! I know that Ester will be so happy to receive your letter. Because we take child safety very seriously, all communication with your child will go through Compassion. I appreciate your understanding. Our mailing address is: Compassion International, Colorado Springs, CO 80997. Please ensure that you include your sponsor number and Ester's child number on your letter and each item you send in. If you would like more information on writing letters, I encourage you to check out our website at, https://www.compassion.com/letter-writing/letter-writing-topics-faq.htm#sts=Writing%20Letters%20-%20Compassion%20International.