Arches 140lb Cold Press Watercolor Paper Pad - These convenient pads each have 12 sheets of classic Arches 140lb watercolor paper. Professional grade, 100% cotton, acid free, neutral pH. Unlike the Arches Watercolor Blocks, these pads are glued only on one side; making it easier to remove single sheets. Arches paper is mould made, with no bleach used. Made in France.