Dimensions: 40 cm x 30 cm x 14.5 cm (L x W x T); Weight: 570 g; Material: polyester (water resistant); Shoulder strap length: 80 cm ~ 135 cm (adjustable), shoulder strap with 1.5 cm thick pad protects your shoulders; Plenty of space - a total of 10 pockets in this bag to separate items, a large main compartment, a padded compartment for 15.6 inch laptop, 3 zipper pockets, 2 bottle and umbrella pockets, 3 small pockets; Double zips for the front flap - long Velcro can be easily glued, 2 snap buckles are partially concealed behind the messenger's flap for secure closure; Stylish and casual design - a great gift for all ages, an ideal bag for school, work and travel;