We use 2checkout.com. 2Checkout.com, Inc. (2CO) is the online distribution center for over 300,000 tangible or digital products and services. Established in 1999 and headquartered in Columbus, Ohio, 2CO provides turnkey e-commerce solutions to thousands of business customers around the world. 2CO’s proprietary technology supports back-office functions including financial reporting, tracking, fraud prevention, affiliate tracking, customer service and sales tracking. We also accept , PayPal.com, used by thousands of online stores. Sign in to your PayPal account and submit the payment to paypal@only-flags.com or we send you a money request. You can safely enter your entire credit card number via the secure server, which encrypts all submitted information. If you prefer, we also have a way for you to use your credit card without ever having to enter the complete number on the Internet. To provide you with an additional layer of security, all credit card numbers provided to Only-Flags.com are stored on a computer that is not connected to the Internet. After you type or call it in, your complete credit card number is transferred to this secure machine across a proprietary one-way interface. This computer is not accessible by network or modem, and the number is not stored anywhere else. You can also pay with a personal/business check.