Nomatic 20L backpack in black in excellent condition. 20L to 24L when expanded, 19” H x 13” W x 5.75-7.75” D. Laptop compartment 15.5”x11.5”x1.5” and tablet compartment 12.5”x9.5”x.5”. Durable, water-resistant, secret pocket in back, RFID safe storage with magnetic water bottle pockets. TSA lock and optional waist strap attachments included.