chromium/chrome/browser/resources/print_preview/ui/media_size_settings.html

<style include="print-preview-shared">
  :host print-preview-settings-select {
    margin: 0 calc(var(--print-preview-sidebar-margin) - 2px);
  }
</style>
<print-preview-settings-section>
  <span id="media-size-label" slot="title">$i18n{mediaSizeLabel}</span>
  <div slot="controls">
    <print-preview-settings-select aria-label="$i18n{mediaSizeLabel}"
        capability="[[capability]]" setting-name="mediaSize"
        settings="{{settings}}" disabled="[[disabled]]">
    </print-preview-settings-select>
  </div>
</print-preview-settings-section>

<cr-collapse opened="[[settings.borderless.available]]">
  <print-preview-settings-section>
    <div slot="title"></div>
    <div slot="controls" class="checkbox">
      <cr-checkbox id="borderless" aria-labelledby="borderless-label"
          disabled$="[[disableBorderlessCheckbox_]]"
          on-change="onBorderlessCheckboxChange_">
        <span id="borderless-label">$i18n{borderlessLabel}</span>
      </cr-checkbox>
    </div>
  </print-preview-settings-section>
</cr-collapse>