conversion-header.html.twig
<div class="conversion-header">
    <div class="conversion-item">
        {% sw_icon 'versandkostenfrei' style {
            'pack':'my-pack', 'namespace':'DeinTheme',
        } %}
        <span>Versandkostenfrei ab 50€</span>
    </div>
    <div class="conversion-item">
        {% sw_icon 'rueckgaberecht' style {
            'pack':'my-pack', 'namespace':'DeinTheme',
        } %}
        <span>100 Tage Rückgaberecht</span>
    </div>
</div>