Custom Field Duplicated

<p>
              <b>ETA:</b> <?php $class = hikashop_get('class.product');
$data = $class->get($product->product_id);
echo $data->eta; ?>
              </p>

<p class="hika_cpanel_product_price">
					<span class="hika_cpanel_product_price_quantity">
						<?php echo  $product->order_product_quantity; ?>
					</span>
					<span class="hika_cpanel_product_price_times"> x
					</span>
					<span class="hika_cpanel_product_price_amount">
						<?php echo  $this->currencyClass->format( $product->order_product_price + $product->order_product_tax, $order->order_currency_id ); ?> 
					</span>
					
				</p>
<?php
		if(!empty($product->extraData))
			echo '<p class="hikashop_order_product_extra">' . (is_string($product->extraData) ? $product->extraData : implode('<br/>', $product->extraData)) . '</p>';
?><br /><p>
              <b>ETA:</b> <?php $class = hikashop_get('class.product');
$data = $class->get($product->product_id);
echo $data->eta; ?>
              </p>
				<div style="clear:both;"></div>