BAOHONG Academy Watercolor paper is strong and durable for whether wet, dry or mixed media painting, and less likely to curl or warp. Baohong watercolor Academy grade paper is a good alternative in compared to other high-end (price-wise) big name brands! This is a watercolor paper “Brick” which includes 80 sheets of 12cm x 12cm 100% cotton, acid-free, 140lb/300gsm academy grade watercolor paper. It is in a pocket size with two sides glued, which allows you to either take a few sheets or a whole BRICK with you to work on plein air painting OR studio painting. Compared to other watercolor papers which are not made from 100% cotton, these cotton watercolor papers are both in high quality and reasonable price, whether you are painting with watercolor paints, markers, pencils, ink, charcoal for painting, sketching, printmaking or drawing, these papers would provide an optimum performance and deliver extraordinarily brilliant colors.