A simple planner cover crafted from the Italian leather "Minerva Liscio." It makes the most of the texture of vegetable-tanned leather while the thickness is adjusted so it does not become too heavy. It keeps a pleasant firmness, so you...

The comfort of leather itself, wrapped around your book. A luxuriously crafted leather book cover using the richly grained Italian leather "Minerva Box" on the outside and the smooth "Minerva Liscio" on the inside. By thinly skiving the outer and inner leathers...

A bunko-size book cover made from the Italian leather splits left over when Kichijitsu crafts its "Paka-pen" pen cases. The "Minerva Liscio" used for Paka-pen is a vegetable-tanned leather carefully made in Italy. Even its flesh side has unique color variations...

A long leather pen case from the "Paka" series, inspired by an old doctor's bag. It is designed to hold longer writing tools such as pencils with erasers and triangular scales, accommodating items up to about 20cm long. Thanks to...

A large-capacity pen case from the "Paka" series, inspired by the frame clasp of an old doctor's bag. A model with greater capacity than the standard Paka-pen, holding about 25–30 ballpoint pens. It is sized not only for those who...

A compact pen case from the "Paka" series, born from an encounter with an old doctor's bag. A highly portable model made as slim as possible, it fits neatly even in bags with narrow gussets. Despite its compact size, its...

A compact pen case from the "Paka" series, born from an encounter with an old doctor's bag. A highly portable model made as slim as possible, it fits neatly even in bags with narrow gussets. Despite its compact size, its...

A fountain pen case for 4 pens, carefully crafted to make the most of the texture of Italian leather. The exterior uses "Minerva Liscio," known for its smooth texture, and the interior uses "Minerva Box," which offers cushioning and flexibility....

A long wallet made by combining two Italian leathers with different characters to suit your taste. The smooth leather "Minerva Liscio" and "Minerva Box," known for its rich grain. You can choose your preferred leather and color for both the...

A long wallet combining beautiful Italian leathers with different characters. Smooth leather and the dimensional character created by a rich grain. The beauty of each leather is brought together and finished in a simple belt design. It is made from...

A glasses case from the "Paka" series, born from an encounter with an old doctor's bag. The functional beauty of the frame clasp, a rounded form, supple leather and matte metal fittings. Crafted with care down to the last detail,...

"Patan-card," a simple card case made by folding leather closed with a soft "patan." Its clean look is finished with a small metal fitting as a subtle accent. With its gusseted design, it holds about 40–50 business cards. When used...

"Patan-card," a simple card case made by folding leather closed with a soft "patan." Its clean look is finished with a small metal fitting as a subtle accent. With its gusseted design, it holds about 40–50 business cards. When used...

POKET FIT: a compact bifold wallet designed for slimness, lightness and smooth payments. Its original layout keeps cards and coins from overlapping, so the wallet stays slim even when filled. Open the L-shaped zipper for smooth access to cards and coins. Bills...

timik airy, based on the popular “timik” model and made even smaller, thinner, and lighter.Despite its compact, near-card size of about 8.7cm wide, this trifold wallet holds cards, coins, bills, and even a key. Our original “float sewing” technique, which...

"POKET" is compact, yet keeps your cards, bills, coins and even a key all in one place. The storage you need every day is condensed into a palm-sized 9.7cm wide × 9.2cm tall, approx. 1.8cm thick body. Thanks to the...

The "micro wallet LF / graffi" holds cards, bills, coins and even keys in a compact size. Designed for smooth handling at checkout, this L-zip bifold wallet gives easy access to each compartment. The front features a front slide pocket...

micro wallet LF / liscio®, which packs ease of payment and ample storage into a compact size.Combining an L-shaped zipper with a bifold structure, it features STUDIUM's signature functional design, giving cards, bills, coins, and keys each their own “designated...

Hexa Key Purse, a hexagonal piece that compactly organizes keys, coins, and an AirTag.Though small enough to fit in your palm, it has four double rings in large and small sizes, designed so you can carry multiple keys together.Inside are...

The "Nano Shoulder" combines a compact form with the functions of a wallet.Its unique structure opens and closes with a single touch: just press both sides with your fingers and it pops open.Despite its small size, it holds bills folded...

A business card case featuring a three-dimensional form that brings out the texture of the leather and a playful design with inside stitching.The main body uses firm, high-quality Italian leather in white cowhide. The interior features embossed Japanese cowhide and...

"Tasui" is a thin wallet that combines palm-sized compactness with enough capacity to carry cash securely.Its slim form of about 20mm includes a bill compartment, a coin purse, and three card pockets. The coin purse is designed so that coins...

The Charso Card Wallet combines leathers with different characters in a compact form.Within its clean, simple design, leathers of different textures are combined to create a subtle contrast. Though it fits in the palm of your hand, it has a...

A gamaguchi (clasp-frame) pen case that lets you carry your favorite writing instruments compactly.Its minimal size holds about 2–3 pens, making it ideal for those who want to carry only what they need, smartly.The wide-opening clasp frame makes it easy...