Arches Aquarelle Watercolor Block, 140Lb, Hot Press, 9" X 12" (40079)

Eliminate the need for stretching. Acid-free, chlorine-free, & made of 100% cotton fibers for extra strength & stability. Mould made. As the paper is tub-sized in natural gelatin and air-dried, it can take scrubbing, scratching, & erasing while keeping the original intensity of the watercolor. No optical brighteners will not yellow with age. It is excellent for watercolor, gouache, pen & ink, acrylics, & calligraphy.Each block consists of sheets of paper pre-stretched, glued together along all 4 edges , & supported by a rigid backing. The top sheet is easily separated from the block by inserting a knife under the sheet and running it around the edges.Blocks of 140 lb. paper contain 20 sheets. Blocks of 300 lb. paper contain 10 sheets.