Pentalic Paper for Pens is an absolutely beautiful sheet that is crisp and ultra-smooth, the perfect surface for detailed work. This acid-free, archival-quality paper preserves the integrity of ink work done with technical, crow quill, and broad pens, plus copperplate, calligraphy, and washes — with no feathering or bleedthrough. ACID FREE Weight: 110 lb. (178 g/m2) Color: Bright white Surface: Ultra-smooth Media: Pen and ink, crowquill pens, technical pens, water-based and permanent markers Size: 9" x 12", tape-bound pad, 40 sheets Made in the USA