[set of 3pc 200 Pages Inkproof Thick Paper] - 100 gsm quality paper is excellent for fountains pens and ink. No feathering and bleeding. Light yellow paper can protect your eyesight. 200 pages/100 sheets college ruled lined papers, good for daily use. [Measurement] - A5 Size. 5.5 x 8.1 inch. [Strong Binding, Pages Will Not Fall] - Exquisite binding provides security and durability. Pages will never fall. The sewn binding lays flat without help and a ribbon bookmark keeps your place. [Easy to Use] - Perfect refills for journal that have a insert pocket flaps covers. When you fill all the pages up, simply slide the used insert out and easily slip this new refill back in. [Lay flat Design] - Let you reading more easy and note-taking efficiency. Enjoy your writing by hand with no distractions.