Big Size: 18.8" H x 11.8 L x 7" W, Material: Premium quality cotton canvas+ cowhide leather trim.
This is a removable shoulder strap inside the main pocket, you also carry this bag as a crossbody bag, shoulder bag, tote bag.
Main Structure: 2 Front pockets, a side pocket, a main pocket with a laptop computer slot for 12-16 inch laptop.
Special Feature: there is a zippered pocket on the backside that contains backpack style shoulder straps. You can use this bag as either a duffel style bag or backpack style bag, Backpack straps feature padded mesh shoulder straps for both comfort and breathability.