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100 % smooth vegetable-tanned
Semi lined, resin coated
Approx. H15 x W11.5 cm
Approx. H6" x W4.5"
3 slip pockets
2 Card Slots
De-bossed gun foil logo at front
De-bossed gun foil PI symbols
Tonal stitching
Comes with a dust bag

At Burgundy Assemblage, we are dedicated to creating products from the best possible materials. That’s why we source from some of the most legendary tanneries and suppliers in the world, and engage in rigorous product testing before incorporating any component into our works. We believe that using superb materials are the only way to create beautiful goods that last for decades.


Our fine leather is sourced from leading leather manufacturers in Italy and Argentina. Because every piece we use is carefully selected for a specific design, function and lifestyle, we have established a diverse array of high-quality, genuine leathers as the foundation for our product line. These include vegetable tanned, distress-aged, oil-pull, supple and pebbled grain leathers.
Leather is a natural product and no two pieces are exactly alike. You may therefore notice subtle variations in color, tone, grain pattern, creases and markings in each product. These are not defects or imperfections but cherished signs of the leather’s authenticity and excellent quality. Please note that we only work with articles produced in ISO-14001 Certified Tanneries. This certification is an International Standard established to distinguish tanneries that document and manage their operations to minimize the impact on the environment.


Suede is a type of leather with a velvety-soft, napped finish produced from the inside of a hide. We source our signature burgundy suede lining from a New York company with more than 50 years of experience supplying fine leathers and suede to clothing, accessory, upholstery and shoe designers and manufacturers worldwide. We found suede to be the ideal lining for our sleeves. Its combination of strength, suppleness and softness ably serves to protect any electronic gadgets and other items the sleeves may hold. Plus, suede both feels and looks gorgeous. How could we resist?


Merino wool – soft yet durable, thick yet lightweight – is widely considered the highest quality sheep’s wool in the world. Harvested from Merino sheep, the wool’s flexible fibers are easily felted (a method of matting and pressing wet fibers together) to form a fabric that cannot be pulled apart. This feature gives the wool felt exceptional benefits such as robustness, excellent dye ability, flame, shock and sound resistance, and natural stain repellence. Being a rapidly renewal resource and entirely biodegradable, wool felt is also an eco-friendly product.

The wool felt used in our products are composed of 100% Merino wool. We source it from a renowned company in Germany that oversees every step of the wool’s production, from the raising of Merino sheep to the assembling of the felt. A leader in the industry, this company has been specializing in wool production since the 19th century. We are delighted to have discovered them and to use their materials in our goods.


Our signature Jonquil yellow lining is 100% cotton duck with pure finish. It is made from America Cone White Oak Denim and produced by a New York manufacturer with over 80 years of experience in producing high quality fabric. This manufacturer has worked with a prestige dye house that has been in existence since 1838 and is well-known for its ability to create highly saturated colors. Cotton duck, known outside the industry as canvas, is a heavy and durable cloth, woven with two-ply yarns in the warp and a single-ply yarn in the weft. Its sturdiness and longevity makes it the perfect lining for frequent-use bags.


The hardware used for our products are primarily sourced from New York, Italy and Korea. Each hardware element, from studs to zippers, are designed to accentuate our brand’s minimalist aesthetic yet their functionality remains at core. We are especially pleased with Lampo zippers we selected for our goods. These are sourced from an Italian company that has been producing zip fastenings since 1887 and are synonymous with quality and luxury. As they enhance the quality of the most glamorous garments and accessories, we are proud to include them in our products.

Last updated February 02, 2022


Free shipping worldwide. This offer doesn't apply during sales. We ship worldwide.


We want you to be completely happy with every purchase. If you are not satisfied you have 30 days to return most Burgundy Assemblage purchases. Special orders, made to order goods, personalized/monogrammed items, and items identified as "final sale" cannot be returned. Shipping charges when returning the goods are on your responsibility.



Eta, our sleek handcrafted passport sleeve, is a must for the international traveler. Elegant yet functional, the sleeve has five cotton-lined compartments: one for a passport, one for boarding passes, the other for cash, cards or even a second passport. Eta is made of black and burgundy calfskin leather, a light, smooth and durable material that will protect your travel documents for years.


Inspired by the mathematical constant and irrational number, π. This collection highlighting the unique concept and stories behind each one. The goal is to help people visualize the integral role pi plays the product line and to celebrate the often-unrecognized friendship between science and design.
Leather passport holder vegetable tanned


You are in possession of an article meticulously conceived, designed and crafted to last for decades.

The leather used for this and every Burgundy
Assemblage product is entirely natural and of excellent quality, as evidenced by the subtle variations in the tone, grain pattern, creases and markings in each piece. These distinctions are not defects or imperfections but celebrate the leather’s authenticity: no two pieces of natural leather are ever exactly alike.

Each swatch of leather we use is carefully selected for a specific design, function and lifestyle. To this end, we have a diverse selection of leathers serving as the foundation for our product line, including vegetable tanned, distress-aged, oil-pull, supple and pebbled grain. The product you are about to enjoy is therefore crafted with the leather intended to best complement your way of living.

To care for your Burgundy Assemblage goods, we suggest keeping it away from heat and water sources and storing in its own protective bag when not in use. In the event of light soiling, dab the leather with a dry soft cloth. Note that use of polish or beeswax, climatic conditions or extreme handling of the product may cause color alteration. We decline all responsibility for damages caused by unsuitable uses of our products.

The vegetable tanned leather is specifically developed for Burgundy Assemblage's Pi Collection using only the finest quality natural hides. Full-grain leather has a character all its own, often displaying natural markings that lend beauty and refinement to the patina of this top quality material. Possible marks and scratches are to be seen as a natural part of the leather/product and cannot be regarded as a fault.