Please send your CD, DVD or Flash Drive to us at the above address via US mail, UPS, or FedEx. Please write your order number on your package and disk. You'll see the order number on the order confirmation page after you hit the "Send Order" button below. Include on your disk only the file(s) you want printed. Your files can be compressed as a zip or stuffit archive. Flash drives are automatically returned. CDs and DVDs are only returned if you request it on the ordering page or indicate it with your disk.