Código:
<select size="1" name='one'> <option value='0'> # Adultos <option value='2203' label='1 x u$s 2203.00 = u$s 2203.00'> 1 <option value='4406' label='2 x u$s 2203.00 = u$s 4406.00'> 2 </select>