It’s huge! I overshot on the measurements. On the other hand, because it’s so big I don’t have to “dig around” looking for things.
There are three inner compartments of different sizes. I stitched some elastic on one side as a last minute way to corral scissors and my crocheting/knitting needle case. There are some current projects in it right now. It is not only a good way to transport projects on trips, but it makes a convenient way to haul things around the house.