how many sheets in this notebook?

80 sheets. It's thick, coated paper (great for fountain pens), so you should be able to write on both the front and back sides of each sheet with no bleed-through.

What is the height of the rules? Is it 7mm or 8mm?

I measure rules at precisely 7mm.

Wondering how is everyone using it

I used other notebooks for notes at work. I bought this specific one for tracking Rummy scores between my wife and I.

How fountain pen friendly is it when compared to a moleskine notebook?

Very fountainpen friendly! I primarily use a lot of steel flex pens that not only deposit a lot of ink but also carves pretty heavily into the page. This paper works very well in minimal to no bleeding and ghosting. Absorbs ink well and showcases a decent amount of sheen/shading

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Maruman Mnemosyne Lined Notebook- B5, 7.17" x 10.12", 80 Sheets / 160 Pages, 7mm College Ruled Journal, Perforated Pages & Wire-Bound to Lay Flat, Black, Made in Japan

Maruman Mnemosyne Lined Notebook- B5, 7.17" x 10.12", 80 Sheets / 160 Pages, 7mm College Ruled Journal, Perforated Pages & Wire-Bound to Lay Flat, Black, Made in Japan

Product ID: 18113822

Details

Brand
Maruman
Color
Black
Cover Material
Pages
160
Product Dimensions
9.92"L x x
Ruling Type
Ruled

📄160 premium pages

🔄Lay-flat wire binding

🖊️80 g/m² bleed-resistant paper

S$26

Duties & taxes included

In stock

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Description

📝 Elevate your ideas with every page — because your notes deserve the best.

SEAMLESS WORKFLOW - Twin wire binding allows the notebook to lay completely flat or fold back, maximizing your workspace anywhere.
EFFORTLESS NOTE SHARING - Micro-perforated pages let you tear out clean sheets for meetings or collaborations without a mess.
ORGANIZED PROFESSIONAL - Subtle 7mm gray ruling with date and title headers keeps your notes structured and easy to reference.
SMOOTH WRITING EXPERIENCE - Premium Japanese 80 g/m² acid-free paper resists ink bleed-through, perfect for gel pens and fountain pens alike.
ULTIMATE PORTABILITY PROTECTION - Durable, water-resistant poly cover keeps your notes pristine on the go, from cafes to boardrooms.

The Maruman Mnemosyne B5 notebook features 160 micro-perforated, acid-free pages of ultra-smooth 80 g/m² Japanese paper designed to prevent ink bleed-through. Its durable polypropylene cover resists dirt and water, while the twin wire binding allows the notebook to lay flat or fold back for flexible use. With subtle gray 7mm college ruling and dedicated headers for date and title, this notebook is engineered for professional note-taking, planning, and creative work on the go.

Specifications

ASIN	B00SWVXZ5G
Best Sellers Rank	#12,872 in Health & Household ( See Top 100 in Health & Household ) #1 in Stationery Notepads
Binding	Notebook
Brand	Maruman
Brand Name	Maruman
Color	Black
Cover Material	Polypropylene(PP)
Customer Reviews	4.8 out of 5 stars 3,464 Reviews
Global Trade Identification Number	04979093194025
Included Components	Notepad
Item Dimensions L x W	9.92"L x 7.05"W
Item Dimensions L x W x Thickness	9.92"L x 7.56"W x 0.39"Th
Item Weight	250 Grams
Manufacturer	Maruman
Number of Items	1
Number of Sections	3
Pages	160
Paper Size	9.92 x 7.05 inch
Ruling Type	Ruled
Sheet Size	9.92 x 7.05 inch
Special Features	Micro-perforation
Style	Twin Wire
Theme	Book
UPC	796487112182
Unit Count	1.0 Count

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