Stonehenge black watercolor paper performs to the most critical demands expected by artists. Best used with metallic and pearlescent watercolor paints, pencils, pens, markers, and inks. This paper dries flat and colors dry bright. Acid-free, neutral pH, and lignin-free, this paper delivers great results whether working wet, wet on dry, blending, lifting or masking out.Details: Black Available in multiple sizes 140 lb/300 gsm 15 sheets Acid free 100% cotton fibers Suitable for watercolor, gouache, metallics and acrylics