Mouldmade without optical brighteners or bleaches. Has two deckle edges, 2 waterline edges, and a watermark. Same durability and strength as Natural White Sheet, and pulp is brighter to show colors more intensely from surface. - Arches Watercolor Paper - 16" x 20", Bright White, Cold Press, Single SheetArches Bright White Watercolor Paper, 16X20 CP 140LB -