<form target="paypal" action="https://www.paypal.com/cgi-bin/webscr" method="post">
<input type="hidden" name="cmd" value="_s-xclick">
<input type="hidden" name="hosted_button_id" value="8140618">
<table>
<tr><td><input type="hidden" name="on0" value="Sizes">Sizes</td></tr><tr><td><select name="os0">
<option value="3 - 4 Years">3 - 4 Years £40,00
<option value="5 - 6 Years">5 - 6 Years £50,00
</select> </td></tr>
</table>
<input type="hidden" name="currency_code" value="GBP">
<input type="image" src="https://www.paypal.com/en_US/i/btn/btn_cart_LG.gif" border="0" name="submit" alt="PayPal - The safer, easier way to pay online!">
<img alt="" border="0" src="https://www.paypal.com/en_US/i/scr/pixel.gif" width="1" height="1">
</form>