From Witwise Wargames
PDF – Sale Price $2.99 USD

Blank square grids are the perfect tool to help you set up your wargaming table or draw your wargame maps. A few marker pens are all you need to get started.
You can use these A4-sized paper grids as wargaming mats as well, by printing multiple pages and attaching them side-by-side or by cutting small sections of various colors to represent various terrain.
Available in 25mm square grids.
Colors included:
Snow White
Plains Green
Desert Tan
Water Blue
Forest Green
Hills Brown
Urban Grey