Abstract: Embodiments of the present invention include collateral delivery units, systems and methods of use thereof. The collateral delivery units and systems described herein can be used to distribute collateral materials—from product samples to game pieces and interactive content. The collateral delivery units and systems may also be used to distribute information about publicly available resources to those in need thereof. Various embodiments of the collateral delivery units, systems and methods described herein allow a vendor to expand and extend a consumer's retail shopping experience through integrating marketing content onto a shopping bag.