"[High Quality Paper Made in Japan] This Kokuyo loose-leaf paper is made from top-quality Japanese original paper with a weight of 75g/m2 and a thickness of approximately 0.10mm. [Sarasara Type] It means ""smooth writing"" and is perfect for those who like to write easily and swiftly. [Easy to Use] The paper is designed to make writing easy, with triangular memory points at the center and left edge for precise vertical lines, just like in the Kokuyo notebook. [Bleed Resistant] This Kokuyo original paper is made with special ink-resistant and non-bleed technology, which prevents the ink from smudging or bleeding through the other side. The paper is pH neutral, which means it's ideal for long-term storage and won't yellow or degrade over time. [B5 Size with 26 Holes] The paper is B5 sized with 26 holes, making it perfect for use with a binder or other storage system. Each pack contains 150 sheets of high-quality, sarasara-type loose-leaf paper and a mat board that can be used as a sturdy writing surface, providing additional support for your writing and making it easier to take notes on the go."