Machine-made in the USA, this versatile fine art paper is 100% cotton, heavy-weight, acid-free and ideal for a variety of media including etching, silkscreen, drawing, watercolor, printmaking, pen and ink, pencil and pastel. It offers a smooth, even surface with a slight tooth that resembles vellum. The pads feature 32 sheets of 90 lb. (250gsm) paper and unfinished 70 pt. covers that invite personalization by the artist. They are spiral-bound with durable black double wire-o spiral binding, allowing both covers to fold back for easy balancing, grasping and to lie perfectly flat.