Shipping:
{% for s in order.fulfillments %}
Shipment: {{s.updated_at}} - {{s.tracking_company}} (<a href="{{s.tracking_url}}" target="_blank">{{s.tracking_number}}</a>)<br>
{% endfor %}
Products with SKU:
{% for p in order.line_items %}
<li>{{p.name}} - {{p.sku}}</li>
{% endfor %}