This program produces the same buttons that Paypal's website produces. The difference is, you don't have to be online to make your buttons. You can set the: Item NameItem Number Price Currency Company Logo Button Style Successful Url Rejected Url Shipping address Can the buyer buy more than one All of this can be done offline with no need to go online. This means you can have your page ready to be uploaded when you connect instead of waiting to produce buttons the next time you can get on.