A backpack having a modifiable display. The backpack may include an active element arranged on an outer surface of the backpack, a power supply arranged on the backpack, and a controller arranged on the backpack and in electrical communication with the power supply and the active element. In some embodiments, the active element may include one or more drivers. The one or more drivers may be coated in a sealant, such as a rubber sealant. The active element may be a flexible display configured to display, such as an LED, LCD, OLED, AM-OLED, or EPD display. In some embodiments, the backpack may be part of a self-expression kit, and the modifiable display may be removable and configured for coupling to other surfaces. In some embodiments, the backpack may be part of an advertising network having aplurailty of wearable articles and a digital marketplace for advertising opportunities.