Artists, designers, scientists and architects have an intense devotion to this pad. It is perfect for on-the-go use, with its stiff back cover and a staple-bound, scored front cover that folds back conveniently out of the way. Inside, the extra-white, exceptionally smooth paper is microperforated, making them easy to tear off. Details:Black coverExtra-white sheets6" x 8.25" (15.24cm x 20.96cm)20 lb./75 gsm80 sheets Wire-bound, microperforatedAcid-free, pH neutral paper