postage and handling
charges for shipping [something] and for wrapping and handling the item. The cost of the book was quite reasonable, but the postage and handling was outrageous. They did not charge postage and handling because I prepaid the order.
shipping and handling
the costs of handling a product and transporting it to a customer. Shipping and handling charges were included in the price. The cost of the goods is low and shipping and handling added only a few dollars.