Backpack with led indicators, in resistant 600D polyester material. Led indicators at the base, controlled by 2 integrated buttons in the shoulder straps. Main compartment with double puller and inside padded pocket for laptops up to 15 inches. Padded backside and shoulder straps. With micro USB connection cable -not included-. Requires powerbank -not included- for LED light activation. Materials: Polyester 600D. Size: 28 x 44 x 14 cm. Decoration Position: In front upper part. Print Size: 12 x 6 cm.