app/views/admin/fulfillment/partial/shipments/_form.html.erb
<div class='six large-6'>
<% @order.order_items.each do |item| %><%# .select(&:paid?).select(&:unshipped?)%>
<% if item.paid? && item.unshipped? %>
<div class="property_form left last">
<% checked = false %>
<%= check_box_tag "order[order_item_ids][]", item.id, checked %>
<%= item.variant.product_name %>
</div>
<% else %>
<%= item.variant.product_name %><br/>
<% end %>
<% end %>
<div class='clearfix'> </div>
<p> </p>
<div class="actions">
<%= f.submit 'Ship checked items.' %>
</div>
</div>