Arches Natural White Sheets.
The highest quality watercolor sheet in traditional natural white color.
Mould made in France of 100% cotton, with natural gelatin sizing.Four deckle edges and watermark.
HP means Hot Pressed -which means a smooth surface on the paper.
CP means Cold Pressed. -This paper has a raised surface as pictured above.
R means Rough -This paper has more texture then the cold pressed, a good tooth on the surface.
90 lb is thinner , 140 lb is thick, 300lb is heavyweight.