while ($stmt->fetch()) {

    $id=urlencode($id);

    echo "<div class='product'>";
    echo "<ul>";
    echo "<li> <img src='" . $image. "'</li>";
    echo "<li class='name'> <strong>" . $name . " </strong> </li>";
    echo "<li> &pound;" . $price . "</li>";
    echo "<li> <a href='cartControl.php?ID=" . $id. "&action=add'> Add to cart </a> </li>";
    echo "</div>";
}