Fabriano Blocco is perfect for all wet media. All four sides of the pad are glued to avoid curling edges or warping when wet. Ideal for watercolor, tempera, and acrylic media. Paper is Cold Pressed, 140 lb. (300 GSM), mould made, 50% cotton, acid free, with internal and external sizing. Twenty sheets of 5 inch by 7 inch paper. Made in Italy.