<form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_blank">
<input type="hidden" name="cmd" value="_s-xclick" />
<input type="hidden" name="hosted_button_id" value="WEKWBW94K2Z68" />
<table>
<tr>
<td>
<input type="hidden" name="on0" value="ORDER NOW"/>
<b><br>ORDER NOW
</td>
</tr>
<tr>
<td>
<select name="os0">
<option value="Size (Regular)">
Size (Regular)
</option>
<option value="Size (Long)">
Size (Long)
</option>
</select>
</td>
</tr>
</table>
<input type="hidden" name="currency_code" value="USD" />
<input type="image" src="https://www.paypalobjects.com/en_US/i/btn/btn_cart_LG.gif" border="0" name="submit" title="PayPal - The safer, easier way to pay online!" alt="Add to Cart" />
</form>