Bag dimensions:19.0 x 11.0 x 11.0 inches Volume:45L Fits up to 15 inches laptop. Roomy enough for you. Convetible design Back strap can be hidden in the back compartment. You could use it as a hiking bag, travel bag, business bag, laptop backpack and shool bag Multi-functional design will meet your daily need. Water-resistant design with high quality Oxford clothes make it more durable and stable. 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. CoolBELL bases on the cutting-edge of fashion trends. Pursuing the best quality of bag category and devoting to providing the best product and service to customers. We make every effort to achieve the best in every detail of design,color, material, sewing, sales and service. Believe CoolBELL,Obtain high quality bag. Brand coolbell SKU 100216089_NP-1020472127