COTOCUL ONLINE
Black leather
Black leather
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Amazing! A mini wallet that can hold banknotes without folding them. [Design Registration No. 1598276, Japan Patent Office]

Black San-gan leather is a type of cowhide that was traditionally used for the armor of high-ranking samurai. Today, it is used for kendo protective gear. Currently, it is only made by Sakamoto Shoten in Himeji, and because it is made by repeatedly applying layers of lacquer, only about 20 sheets can be produced per month, making it a very rare material.
The leather is made from domestically sourced Wagyu cattle that have been white-tanned, and then a pattern is embossed into it. The lacquer is then repeatedly applied by hand. Unlike mass production, Sakamoto Shoten handles everything from tanning to processing in-house. The multiple layers of lacquer create a beautiful shine and volume, resembling scattered tiny diamonds, which is why it's called "Black Diamond Leather".
Furthermore, Kurozan Leather won the first-ever Japanese award at an overseas materials exhibition, and is in high demand from high-end brands around the world, making it truly samurai leather with a very high international reputation.
How to Use Guide
Please see below for the features and usage of mini wallets.


─ Making every trip comfortable ─
Gift
─ For a gift to someone you care about ─
Free gift wrapping available.
*Please note that the color of the wrapping may vary.
We are gradually changing the packaging material for our products from the conventional box to a recyclable drawstring bag. Because we are currently in a transition period, you may receive your order in either a box or a drawstring bag.
*Please note that we cannot specify or change the packaging materials.
About Us

COTOCUL is a coined word combining "Koto" (ancient capital) and "culture," reflecting our desire to promote Kyoto's culture and the best of Japan through manufacturing. We value the Japanese mindset and character in approaching manufacturing.

Each product is handcrafted with care by artisans in a workshop in Kyoto.

We also offer repairs in-house. Please feel free to contact us if you have any questions or concerns.

We have staff members with Leather Sommelier certification permanently stationed in our workshop.
Service
Benefit ①
30-Day Exchange and Return Guarantee for Your Peace of Mind
We will gladly exchange or return products within 30 days of receipt, whether due to initial defects or customer reasons.
*Please note that this offer is limited to products that are completely unused.* For exchanges due to customer reasons, you will be responsible for the one-way shipping cost.
Benefit ②
Review Campaign
We are looking for customer feedback.
Customers who write a review will receive a limited-edition genuine leather key cover as a gift.
*Please fill out after receiving the product.* We will send it separately after confirming your review.
■ Color: Black/Green
■Approximate Capacity: 15 banknotes / 20 coins / 10 cards
*The number of coins or cards that can be stored will vary depending on the type of coin or card being inserted.
The structure that prevents banknotes from being folded is a first in the industry.
Please experience our unique mini wallet that has a large capacity but won't crease your bills.
Specifications |
[Size] H8 x W9.9 x D3.5 |
Specifications |
Billfold pocket x 1 |
Precautions |
★Because genuine leather is used, there may be wrinkles, scratches, and blood vessel marks on the surface. Also, the dye may penetrate the bottom, which may appear as dirt or stains, but please understand this as a sign of the natural material. |
Each item is handcrafted by skilled artisans.
If you should receive a defective product, please contact us via the inquiry form.
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