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:White5" x 7" sheet size140 lb/300 gsm15 sheetsAcid freeNeutral pHWire bound padPaper