Jimbo I am here.
The brown paper is unbleached brown raw wood pulp paper like you would make a paper sack out of.
It is used for drop cloth or what ever in the paint section.
It is 3 feet wide and comes in big rolls.
http://www.homedepot.com/p/Easy-Mask...2108/204363635
I dont know if it is the exact stuff I have or not.