Demensions:16.5 x 11.6 x 5.5 inches;Laptop compartment fits up to 15.6 inches laptop on the market.Easily to keep 3 days summer clothes for traveling. Roomy laptop compartment. Design for keeping 15.6 inch laptop, still more rooms for keeping power cord, mouse, books, clothes etc. Functional Accessory compartment.Design for keeping iPad, books, clothes, etc. Better organizer for your daily use. Leisure appearance and water-resistant. You could use it as laptop bag, shool bag, daily use daypack, or business bag, convenient for your daily life. Esily resist accident rainy day for 2 hours. Lightweight design is easy for carrying. The top grab handle offers quick grab-and-go style. Ergonomic design ensures the dispersion of gravity of the fulled bag. Suit for shool life, work days, airplane travel,hiking, party with friends, roomy capacity could be perfect for your need.