Thank you for your continued support of MD PRODUCT.

The "Cow Leather" series, which was previously available only at our January 2026 event in Tokyo, is now available in limited quantities on our online store starting today, April 9.

This is a special dressing designed to help you enjoy your MD Notebook—a companion to the act of writing—even more deeply and for a longer time. We invite you to experience the rich character of the leather as it develops its own unique patina, reflecting your personal journey over time.

［ Line Up ］
⚪︎ MD Notebook Cover Cow Leather [A5]
A special notebook cover made with cowhide tanned in Tokyo.
This vegetable-tanned leather is designed to evolve, gaining a rich character and unique patina the more you use it. Crafted from a single layer to fit your notebook snugly. A beautiful piece with a pale, soft white hue. It offers a smooth and gentle texture that fits comfortably in your hands.
Product page here ＞

⚪︎ MD Pen Case Cow Leather
Meticulously sewn in Japan, this pen case is crafted from vegetable-tanned "Tatsuno Leather" from Hyogo Prefecture. This premium cowhide is celebrated for its fine grain, suppleness, and resilient texture.
Product page here ＞

⚪︎ MD Sticker Cow Leather
Crafted from vegetable-tanned "Tatsuno Leather" from Hyogo Prefecture, this cowhide sticker is embossed with the MD PRODUCT logo. This premium leather is celebrated for its fine grain, suppleness, and resilient texture.
Product page here ＞

*Please note that all items are available in limited quantities.
*Sales will conclude once stock is depleted. We appreciate your understanding.