Spacious backpack manufactured from heavy-duty polyester. Main compartment with padded sleeve will hold most 15" laptops. Three further zipped pockets & two mesh lined side pockets. Overall Size (W x D x H): 350 x 200 x 480mm. Main Pocket Size (W x D): 320 x 340mm. Padded back panel & adjustable padded straps for comfort. Model No. AP517