Professional grade watercolor paper with a strong rough surface sized to withstand repeated washes and scrubbings. The specially treated neutral pH sheet enhances the brilliance of your watercolors with the best possible archival characteristics. Exceptional wet strength, versatile for all types of watercolor techniques. Details:Blue cover with white pagesAvailable in multiple sizes140 lb/ 300 gsm15 sheetsArchivalTape boundStrong rough surfaceFor use with wet media