This briefcase measures 13.5 inches across X 10.25 inches tall, and expands to 3.5 inches thick at the bottom, 3.25 inches thick at the top.
It has a 1.5 inch wide X 7 inch handle on top, with 4.5 inches of padding. It also has a 1.5 inch wide shoulder strap that is adjustable to your comfort length, up to 50 inches. The shoulder strap is removable, and clips (metal) to a metal "D" ring on either side of the bag.
On the front of this bag is a 10 inch wide X 7 inch deep zippered flap that opens to reveal pockets for cell phone, pens and credit cards.
On the inside, there is a 2 inch strap with a clip on the end for your keys. Also, on the back wall inside of this bag, are 2 zippered mesh pockets 6 inches wide X 4 inches deep. Behind that, is a full width pocket, held closed with a 3 inch X 1/2 inch strap with a hook and loop patch on the end.
There is a full width, zippered 7.5 inch deep pocket on the back of the bag.