How about this: you must be very firm with companies that take your money and promise delivery of goods.
I'm writing to reguest information about an order placed with you on (Date): Baby slippers Item # Color:
The order was paid by (Credit card, Debit Card # ???) xxxxxxxxxx.
We still have not received the item or get any information regarding a possible delay. When can we expect delivery?
We will cancel the order if we do not hear from you within 7 days and dispute the payment.
Please respond ASAP.