Stonehenge Aqua Watercolor Blocks hold 10 or 15 sheets of finely crafted yet affordable watercolor paper. It accepts multiple layers of color, and colors can be easily manipulated without drying out. 100% cotton, pH-neutral, acid-free, lignin-free, and chlorine-free, with no OBAs. - Legion Stonehenge Aqua Watercolor Block - Hot Press, 10" x 14", 15 SheetsStonehenge Aqua Block, 10X14 HP 140LB -