A separate unit to hold a laptop and a large compartment for file folders, pens, etc. can be lifted out to make a great big bag to carry quilt projects to class. Approx. 13" x 17" by either 3 1/2" or 5 1/2" deep finished.Stylish briefcase, an all-in-one portable office, perfect for the working gal! Charm square, jelly roll and fat quarter friendly.