Three main compartments with organizers keep travel or daily items neatly arranged Airmesh luggage trolley sleeve makes attaching your backpack to rolling luggage simple Pockets for in-flight essentials offer quick access to important items Padded and fleece lined 15"/16" laptop compartment protects your device Hidden back pocket provides discreet storage for valuables Mesh side pockets store water bottles or small accessories Features 100% recycled polyester with TPE coating