This L'Aquarelle Heritage block features high-quality watercolor paper made on a traditional cylinder mold machine with internal as well as surface sizing, meaning it is ready to work on and will not warp or buckle! This paper offers ideal absorbency and superior strength, allowing for vibrant washes, superior color intensity, easy lifting and balanced open wet time.Details:WhiteAvailable in multiple sizes140lb/300gsm20 sheetsFour glued edgesCold-pressedAcid-freeCottonFor use with watercolors