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Multi-package products are in beta. How the packages beneath a product are surfaced to sellers may evolve before general availability.
A package is the delivery unit a buy actually runs on: it carries its own budget, pacing strategy, and bid price, and reports its own delivery. Most products deliver through a single package. A multi-package product is a product delivering through more than one — a single product the buyer selected once that fans out into several packages when the buy executes. The common case is flight windows: a buyer splits their campaign into dated runs — say a pre–Black Friday flight, the Black Friday–Cyber Monday peak, and a holiday push. On execution, your product produces one package per window, each with its own budget slice and pacing, all delivering against the same product.
You don’t create packages, and neither does the buyer — the system creates them automatically when the buy executes, one per flight window the buyer set on their campaign. For the full package model, see the buyer’s Package reference.

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What it means for your product

  • Independent pacing per window. Each package paces its own budget (even, asap, or front_loaded) instead of averaging spend across the whole flight — a holiday-peak window can spend fast while the lead-up paces evenly.
  • Per-window delivery reporting. Each package reports its own impressions, spend, and clicks, so delivery against your inventory is visible window by window, not as one blended number.

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How it delivers

When the buy executes, one package is created per flight window, and each rolls up under the buyer’s media buy:

Package (buyer)

How packages sit under a media buy and report delivery.

Product composition

Products assembled to a brief by the Merchandising Agent.