Arches Oil Paper is a French 140lb 100% cotton rag sized paper ready to be used with oil paint and oil pastels. No additional priming is needed. Tear off a sheet and use it right away without any sort of prep work. This French-made, 300gsm (140 lb.) deckle-edge paper is specially formulated for oil painting and is now available in convenient pads. The acid-free paper is ready-to-use and requires no gesso or special preparation. It features a powerful and efficient oil barrier that absorbs water, solvents and binders evenly while allowing paint and pigment to remain on the surface.