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 10 sheets that measure 12x16 inches, and are deckled on two sides and glued on the others. Heavy-weight 300lb / 640 gsm weight in a Cold Press surface.