Art Essentials Calligraphy paper has been specifically developed for calligraphy with dip pen nibs & fountain pens. The thickness of the paper is 120 GSM with a natural white / ivory colour, lending the paper an elegant look. Printed in portrait orientation on one-side with delicate but well visible guidelines for Italic script; Also suitable for learning & practicing modern calligraphy; Guidelines neither dominate the page nor spoil the graphic composition of the work; 9° slant is guided by pink lines, the letter size is 7.5 mm & is determined by the thin blue lines; Guideline is best suitable for 1.5 mm nib size, but it may be used with other sizes of broad nibs what will make the letters look a bit bolder or lighter