Sketchpad for acrylic paints. This white paper is designed for acrylic paint but is also suitable for gouache. It is relatively smooth and very thick with glued edges to avoid curling. Strong sizing in the core and on the surface to prevent the paper from curling. Acid-free, neutral pH, excellent conservation and good absorbency. Its pads glued on 4 sided is ideal for both studio and open air use. Recommended for study and outdoor painting.