Fluid 100 is a premium, archival cotton watercolor paper made with a combination of traditional papermaking techniques and modern technology. This results in a natural white color paper with a subtle texture that shares qualities of expensive mould-made papers. Perfect for both wet and dry media, it is archival quality, acid free, 100% cotton with external gelatin sizing. This EZ-block of Fluid 100 contains 15 sheets that measure 16x20 inches and are deckled on two sides and glued on the others. 140lb / 300 gsm weight in a Cold Press surface.