This IKEA Family Upptack Bag could have so many purposes. It could be a shoulder/messenger bag. It could be thin, or expand to carry much more. Lots of assorted pockets. It comes from a smoke free home, and was not used. The measurements are all approx:
12" wide x 15 3/4" tall x 2 1/4" Thick--Bag
9" deep x 10" wide--Front Zipper Pocket
10" deep x 11" wide--Back Pocket with Magnetic Closure and 9" side zippers opens to reveal Credit Card Pockets, a mesh zipper pocket (3 3/4" x 3 3/4"), 2 drop pockets, each 5" deep, and slots for pens.
15" Long x 11" wide--Padded Laptop Bag
27"- 45" Long x 2" wide Adjustable Strap
5" Wide--Expandable Bottom