TUMI - Voyageur Carson Laptop Backpack - 15 Inch Computer 。\"Size: 43×30.5×14 cm (17×12×5.5 inches) Note: The size is measured manually, there may be an error of 1 cm-3 cm Please note that the photos were taken with a mobile phone, The photos you see are the actual state of the items. Due to the actual photos, the color tone may vary, thank you for your understanding. Daily commuting: umbrella + water cup + mobile power + equipment sundries; 15-inch laptop + file/A4 folder Short-term business trip: 1-2 days of change of clothes + toiletry bag. Core functions: TUMI ballistic essence: wear-resistant and tear-resistant, airport security hardness leaves no traces; Anti-theft design: hidden RFID card slot + anti-cut clothing inner layer; Ergonomics: S-shaped decompression shoulder strap + conductive mesh surface, no sweating after long-term use。\"