Item Name - The name of the product.
Item Number - Required for tracking on Paypal.
Base Price - The base price of the product. Be sure to use the correct formatting, depending on the currency.
Type - Select between buy now (individual products), add to cart (allow purchse of many products at once), or catalog (only displays product info, with no ability to purchase via PayPal).
Quantity - Enter a numerical value for default quantity. Optionally allow users to enter their own quantity.
Discount Type - Optional. Rate (percent discount), or fixed amount. Optional additional discount per additional item, with a set limit.
Tax Type - Flat amount, or rate (percent)
Shipping - For FREE shipping, set to "0". Enter additional cost for each additional item (optional).
Option Sets - Set up product options. Set 1 allows a custom product price for each option. All options are text, and displayed as a select drop-down.
Product Description - Found on Content tab. Optional.
Paypal Email - The email address where payment will be sent to. Must be associated with an active Paypal account.
Currency Code - Select the currency code for your country.
Currency Symbol - Select the currency symbol that matches your currency.
Button Style - Ghost, squared, or rounded, either as full-width or standard button.
Layout (new in 1.1) - Choose from left, right, or single column
Primary Color - Background for product title and price. Supports transparency.
Secondary Color - Background for details body. Supports transparency.
Accent Color - Applied to currency symbol and borders.
Secondary Accent Color - Applies to all text.
Return and Cancel URL - Optional. Leave blank to use current page URL. Otherwise, set either an internal or external URL for each.