Abstract: A disposable backpack which is formed of thin film plastic material or the like, so as to provide a bag-like container for carrying goods or the like in the form of a backpack. The present invention provides a relatively cheap, disposable, and strong temporary backpack which is comfortable to use and easily stored in quantity, so as to be dispensed as a bag. Further, the present invention is configured to be carried as a traditional t-shirt sack, or worn as a backpack, depending upon the distance traveled and wishes of the user. The present invention may be sold individually, or may be provided for no charge by a vendor as a type of bag for carrying purchased contents. The preferred embodiment of the present invention contemplates a disposable backpack formed of HDPE or co-extruded HDPE/LLDPE having front and back, gusseted or non-gusseted walls, a bottom, and an open bag mouth portion which may be closed via flap or other configuration.