Wooden stretched canvases. Used for creating works with acrylic gouache. There are some tape marks on the sides from use, but I think it's in a clean condition with no noticeable stains or damage. Recommended for those who create watercolor and acrylic gouache paintings. Sizes / Number of sheets F0 (180mm x 140mm) / 3 sheets SM (227mm x 158mm) / 1 sheet F4 (333mm x 242mm) / 1 sheet F6 (410mm x 318mm) / 1 sheet Please feel free to ask if you have any questions.