postage paidadjective
also postage-paid ukusCOMMUNICATIONSused to describe an envelope, card, etc. that does not need a stamp because the company will pay the cost of returning it to them by mail:
Return a disc via the postage-paid envelope, and you automatically receive another title.
postage paidadverb
ukusused in advertisements, etc. to say that the cost of packing and sending a product is included in its price:
The DVD is available to Weekly Mail readers at a special price of $16 postage paid.