Silky Papers! This set of 20 smooth silky papers are 8 1/2"x11" and are bleed proof, which makes them perfect for stamping and Spectrum Noir Pens. While the Spectrum Noir pens won’t bleed through, these papers are NOT recommended for blending techniques. They work great for simple coloring. They are acid-free and lignin-free making them perfect for scrapbooking, card making, tags, gifts and more.