diff --git a/modules/wps/commerce_paypal_wps.module b/modules/wps/commerce_paypal_wps.module
index 157c1cb..e5be361 100644
--- a/modules/wps/commerce_paypal_wps.module
+++ b/modules/wps/commerce_paypal_wps.module
@@ -44,6 +44,7 @@ function commerce_paypal_wps_default_settings() {
     'server' => 'sandbox',
     'payment_action' => 'sale',
     'ipn_logging' => 'notification',
+    'cart_type' => 'summary',
   );
 }
 
@@ -63,6 +64,15 @@ function commerce_paypal_wps_settings_form($settings = array()) {
     '#default_value' => $settings['business'],
     '#required' => TRUE,
   );
+  $form['cart_type'] = array(
+    '#type' => 'radios',
+    '#title' => t('Select the cart options'),
+    '#options' => array(
+      'summary' => t('Send a summary of cart contents as one line item to PayPal.'),
+      'itemized' => t('Send itemized list of cart items to PayPal.'),
+    ),
+    '#default_value' => $settings['cart_type'],
+  );
   $form['currency_code'] = array(
     '#type' => 'select',
     '#title' => t('Default currency'),
@@ -312,8 +322,42 @@ function commerce_paypal_wps_order_form($form, &$form_state, $order, $settings)
   // Ensure a default value for the payment_method setting.
   $settings += array('payment_method' => '');
 
+  // If an itemized shopping cart should be sent to PayPal.
+  if ($settings['cart_type'] == 'itemized') {
+    $wrapper = entity_metadata_wrapper('commerce_order', $order);
+    $shipping_cost = 0;
+    $count = 1;
+    foreach ($wrapper->commerce_line_items as $delta => $line_item_wrapper) {
+      if (in_array($line_item_wrapper->type->value(), commerce_product_line_item_types())) {
+        if ($line_item_wrapper->commerce_unit_price->amount->value() > 0) {
+          $line_item_price = commerce_currency_amount_to_decimal($line_item_wrapper->commerce_unit_price->amount->value(), $line_item_wrapper->commerce_unit_price->currency_code->value());
+          $data['item_name_' . $count] = $line_item_wrapper->commerce_product->title->value();
+          $data['amount_' . $count] = $line_item_price;
+          $data['quantity_' . $count] = round($line_item_wrapper->quantity->value());
+          $data['currency_code_' . $count] = $line_item_wrapper->commerce_unit_price->currency_code->value();
+          $count++;
+        }
+      }
+      if ($line_item_wrapper->type->value() == 'shipping') {
+        $shipping_cost += commerce_currency_amount_to_decimal($line_item_wrapper->commerce_unit_price->amount->value(), $line_item_wrapper->commerce_unit_price->currency_code->value());
+      }
+    }
+    if ($shipping_cost != 0) {
+      $data['shipping_1'] = $shipping_cost;
+    }
+  }
+  else {
+    // Define a single item in the cart representing the whole order
+    $data = array(
+      'amount_1' => commerce_currency_amount_to_decimal(commerce_currency_convert($amount, $order_currency_code, $currency_code), $currency_code),
+      'item_name_1' => t('Order @order_number at @store', array('@order_number' => $order->order_number, '@store' => variable_get('site_name', url('<front>', array('absolute' => TRUE))))),
+      'on0_1' => t('Product count'),
+      'os0_1' => commerce_line_items_quantity($wrapper->commerce_line_items, commerce_product_line_item_types()),
+    );
+  }
+
   // Build the data array that will be translated into hidden form values.
-  $data = array(
+  $data = (array) $data + array(
     // Specify the checkout experience to present to the user.
     'cmd' => '_cart',
 
@@ -354,11 +398,6 @@ function commerce_paypal_wps_order_form($form, &$form_state, $order, $settings)
     // Use the timestamp to generate a unique invoice number
     'invoice' => commerce_paypal_ipn_invoice($order),
 
-    // Define a single item in the cart representing the whole order
-    'amount_1' => commerce_currency_amount_to_decimal(commerce_currency_convert($amount, $order_currency_code, $currency_code), $currency_code),
-    'item_name_1' => t('Order @order_number at @store', array('@order_number' => $order->order_number, '@store' => variable_get('site_name', url('<front>', array('absolute' => TRUE))))),
-    'on0_1' => t('Product count'),
-    'os0_1' => commerce_line_items_quantity($wrapper->commerce_line_items, commerce_product_line_item_types()),
   );
 
   // Allow modules to alter parameters of the API request.