Dear

Thank you for your Purchase Order Number [number], dated
[date] for the following described merchandise:

We expect to ship your order on [date of shipment] via
[method of shipment].

It should be reasonable to expect receipt of your order not
later than     [date].  Should we experience any delays in
processing or shipping your order, you will be promptly
notified.

Thank you for your order.  As always, we look forward to
the next opportunity to be of assistance.  Please don't
hesitate to call upon us any time.