content/test/data/accessibility/aria/supplemental-description-select.html

<select name="cars" id="cars" aria-label="choose a car">
    <option value="volvo">Volvo</option>
    <option value="saab">Saab</option>
    <option value="opel">Opel</option>
    <option value="audi">Audi</option>
</select>