This quality Frye Campus Mailbag has a flap that opens to an unlined interior.  There are smaller pockets at the front .  The strap can be thrown over the shoulder or possibly worn across the body if you have a smaller frame.

CONDITION:  Good used condition.  The distressed leather is in good condition, but does show some light wear and some scratches if you you click through the pictures.  The interior is in good condition and is clean, but does show pen marking.  The hardware is in good condition but does show some tarnishing. The strap is in good condition.