Crafted for Fountain Pen Lovers! A premium choice for those who value luxurious paper quality. With a paper weight of 95.0g/m², it offers a thicker, more substantial feel compared to standard paper. This added weight contributes to a sense of richness and quality in every page, making the Yu-Sari paper perfect for those who enjoy the tactile satisfaction of writing. While the specifics of the Yu-Sari paper's composition are proprietary, it was developed through numerous iterations, focusing on preventing ink bleed-through, smudging, and ensuring a smooth writing experience. The Yu-Sari Notebook is especially fountain pen friendly, accommodating various inks while maintaining clear, crisp lines. The paper’s superior ink absorption ensures that your notes look professional and clean, no matter what type of pen you prefer. -Plain(B5) 30sheets" W7.56 x D0.1 x H10.51 -Plain (A5) 30sheets" W6.22 x D0.1 x H8.66