Watercolor Block 300 LB, 640 GSM, 100% Cotton, 5X7”, 10 Sheets, Acid Free, Co…
300 LB/640 GSM Heavy Weight Watercolor Paper: heavy weight watercolor paper is thick and sturdy, making it able to withstand heavy watercolor washes without warping or buckling. This type of paper is ideal for artists who use techniques that require a lot of water or those who want to use wet-into-wet techniques.