This is my second bag like this. The reason I bought this one is that I noticed my other one from a different manufacturer fit so nicely INSIDE the top box. This one is different in it's design but I bought it to use as an interior bag when travelling. Fits in easily (when not stuffed), opens differently than my other bag so that if this one works better on the outside I have that option. It may be out of production but likely there is another one like it available.