0 a charge for the cost of having something wrapped and then sent to you
1 a charge for the cost of having something put into a container and mailed to you:
For orders not pre-paid, postage and packing will be charged according to the weight of the book.
The agency is charging a fee of £15 per map sheet plus a postage and packing charge of £4.99 per order.
What's the charge for postage and packing?