Paper Unlimited's 20 lb. Inkjet Prefold Paper with a 6.25" fold is the optimal solution for seismic well log printing. Designed primarily for black and white printing with spot color, our 9.5" X 150' roll of 6.25 inch fold paper is the premier line of seismic well log media in the country. Paper Unlimited product number F20BIJ912R614RU includes 2 rolls per package.