You don't know how to start advertising your business or you just want to give your kids an original gift? The LED Screen Backpack is the right answer! Everyone will love this! Features: - Show the world what you're passionate about! - Advertise your own company or social media handles. - Draw attention towards a specific subject in an interesting way! - The screen is removable, so it's easier to clean. Specifications: - Material: EVA/Polyester. - Available in 4 colors: Cyan, Grey, Red, Yellow. - Weight capacity: 20 L. - Power Supply: 5V. - Supported images: Text, Animations, Pictures. - Connection Type: WiFi.