Single/Double sides blue color CAD plotter paper(bond paper/engineering drawing paper) Blueprint paper is a specially-coated paper that turns blue where it is exposed to light, while areas kept in the dark remain white.
Blueprints were one of the first ways to make copies of plans or drawings.
Blue color CAD plotter paper/bond paper/engineering drawing paper/blueprint paper
type: single side blue, double sides blue
color: three blue colors grades(light blue, blue, deep blue)
size: customized in rolls and sheets as customers requirements