Brochures can come in any format, whatever size you need...
Below is z-fold DL brochure.
Below is z-fold DL brochure.

This is a 2 fold A4 brochure that opened up into 3 A4 panels. The front also had a spot UV varnish.These are a few brochure designs that i have designed at my previous job at sand.
Below is a catalogue cover, front and back

A3 rollfold brochure












M




































