emails/app/views/spree/shared/_mailer_line_item.html.erb
<tr>
<td class="six sub-columns">
<strong>
<%= link_to raw(line_item.variant.product.name), spree_storefront_resource_url(line_item.variant.product) %>
</strong>
<%= raw(line_item.variant.options_text) -%>
(<%= line_item.variant.sku %>)
</td>
<td class="six sub-columns last right">
<%= line_item.quantity %> x <%= line_item.single_money %> = <%= line_item.display_amount %>
</td>
</tr>