So you are looking for a backpack that stands out? The Cosmic Infinity Mirror Backpack is well worth a look. It is a colorful bag with LEDs and an infinity mirror that turns heads. It is made with over 80 LEDs and has a 6000mAh battery. The LED panel can display 8 animations, including scrolling text.
You can control the lights on the bag using the SwiftMatrix app (available for iOS & Android). Through the app, you can set scrolling text message, change patterns, and adjust brightness.