Main compartment: 18.5" high x 11" wide x 4" thick with internal organization
Top front: 9" wide x 4.5" high x 2" thick with internal organization
Bottom front: 10" high x 9" wide x 2" thick with internal organization
Approximate Capacity: 1100 cu. in.
Fits up to 15.4" (diagonal screen size) laptop computer.