Publisher's blurb: 10/15/2017- Desert Valley This Map is compatible with Great Outdoors Volume 4 Desert Mapper! set as well as Decor and other items from the series! ... These maps and tiles were made for VTT use. All grids align at a 140x140 pixel per unit ratio. All titles of the tiles are named with the pieces size in units- ie: 30x30_Map_Name... That map or tile will fit your VTT at the size ratio for the grid size in your VTT of choice. All tiles Snap together on a grid in Photoshop or Gimp when assembled there as well! If you like these maps or tiles, check out more from me