Sketchpad with synthetic past, the laws non-absorbent paper. Paper is quite smooth, glossy white past, the laws manufactured of polypropylene, as is one recycled material. Works well with brush, drypmaling or by job with more layer past, the laws skyggeteknikker. Yupo paper can used with alcohol based ink or markers, watercolor, acrylic, pastel, oil, gouache, charcoal, graphite, crayon with more. Block contains 10 sheet past, the laws have one thickness on 200 g m2.