This elegant Tomoe River A4 paper polypack is incredibly thin, ultra-smooth fountain pen friendly paper with unusually high resistant to bleed-through and feathering. Polypack contains 50 easily removable dot-grid paper sheets made from raw materials from sustainably managed forests. The paper is 52-gsm, acid-free, pH neutral. Available in A4 and A5 sizes. Made in Japan. Useful for many mediums like pencil, rollerball, gel pen, fountain pen and even light washes of watercolour.