From publisher blurb: Laidback DM's Maps for Fantasy RPGs 4 - Old School is a collection of 33 hand-drawn maps - a zip file of 99 digital image files (grid, grid-less and VTT-sized), which come with a limited commercial license allowing you, the purchaser, to use them royalty-free in your own commercial or private publication projects. Dungeons, caverns, temples, towers, ruins, lairs, wilderness and more! All map images are high quality 600DPI (print quality is 300DPI) black and white JPEGS and are unlabeled. These maps are system-neutral and can be used with any fantasy game.