The Nebula Premium Note, which comes in two formats: ruled or plain (blank) pages, is made of high-quality papers and can be used with all types of writing instruments including fountain pens without compromise. Hardcover, latex impregnated strengthened paper (Made in the USA), Featuring a striking range of robust colors and distinctive embossings. Designed by Colorverse, this is a notebook made by developing paper suitable for ink users who love to make ink charts. The Nebula Premium Plain (blank) includes two double-sided writing guide sheets.