DELETER Manga Manuscript Paper type-F (with 1mm grid lines, A-type with crop marks), set of 2 packs with 40 sheets each. For B5 doujinshi books, with outer frame markings. Paper size A4 (inner frame 150mm x 220mm), high-quality paper 135kg. I bought these a while ago and haven't used them. I don't think there's any discoloration, but they are old, so please refrain from purchasing if you are concerned about the condition. - Brand: DELETER - Product Name: Manga Manuscript Paper type-F - Size: A4 (210mm x 297mm) - Quantity: 40 sheets Thank you for looking.