The Nano-Series: Minimalistic Card Wallets

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Minimalist cardholder: minimal size, maximum storage space

Our Nano Boy card holders are small in size but big on practicality. Although they have the handy size of a credit card, the cases can hold up to 13 cards, as well as some banknotes and coins.

Thanks to the high-quality workmanship in genuine leather and elastic made in Germany with anti-theft protection, theNano Boy impresses with its durability and functionality. This robust card holder for men is suitable for everyday use, making it the ideal companion for any occasion. Our most compact wallets are also available in a stylish ladies' edition – perfect for anyone looking for a slim card holder for women.

2 different mini wallet variants

We offer our mini wallets in two versions. Both Nano Boy variants are minimalist wallets that fit effortlessly into any pocket. Choose the model that best suits your needs and your everyday life:

Nano Boy card holder with small textile coin bag

nano boy wallet with elastic coin pocket on white background with feature descriptions

The Nano Boy is our smallest card holder for men, combining minimal space requirements with maximum storage space. This practical mini wallet can hold up to 13 cards securely. Your most frequently used card can be stored in the separate quick-access compartment, while all the other cards are organised in a space-saving way in a compartment with a pull-tab. The textile coin pocket offers additional space for 1 to 3 coins and a few banknotes – practical for everyday use.

The Nano Boy

  • Card holder with space for up to 13 cards
  • Textile coin pocket with space for up to 3 coins
  • Space for banknotes
  • Also available as a ladies' edition

Nano Boy Pocket Cardholder with leather coin case

nano boy mini wallet with leather coin pocket on white background with feature descriptions

Nano Boy Pocket is the bigger brother of the Nano Boy, offering a little more storage space for coins, but remaining almost as slim and compact. The leather coin pocket can store 10 to 14 coins safely and allows for easy access. Your most frequently used card can be stored in the quick-access pocket, and up to 12 additional cards can be stored in the main compartment. Thanks to the practical, integrated pull-tab, you can access them with a single pull. Nano Boy and Nano Boy Pocket only differ in the type of coin pocket: Nano Boy Pocket's pocket holds more coins than Nano Boy's textile coin pocket.

Nano Boy Pocket

  • Card holder with space for up to 13 cards
  • Textile coin pocket with space for up to 14 coins
  • Space for banknotes
  • Also available as a ladies' edition

Card holder for men and women for every occasion

The Cardholder from the Nano series is your perfect companion for every occasion. It is compact and unobtrusive, yet offers enough space for all your cards as well as some coins and notes. Whether at a party or a concert, at the stadium, on a bike tour, as a holiday wallet or for quick spontaneous shopping – thanks to the clearly laid out mini wallet, you can access your credit cards and cash in a flash at any time.

Thanks to their compact format, the nano card cases can be easily stored in almost any pocket, without pinching or bulking. These mini wallets even fit into small trouser pockets without attracting attention. They are ideal for people on the go and for anyone looking for a slim way to store their valuables. This makes the space-saving and flexible Nano Boy card holders particularly popular with cyclists and motorcyclists.

Jaimie Jacobs RFID protection card RFID protection card for RFID and NFC cards

RFID protection for your card holder

With our RFID blocker card, you can easily upgrade your card holder with coin compartment for RFID protection. All you need to do is insert the RFID blocker card with your other cards – and your card holder is protected against unwanted reading.

jaimie jacobs fair labour fair wages

Traditional craftsmanship and modern technologies

High-quality workmanship is our top priority. That is why all models in the Nano Boy collection are made in the EU by experienced leather craftsmen. Each mini wallet is made from the finest Italian leather and an elastic band with anti-theft protection. During production, we also ensure sustainability and fair working conditions. Each Jaimie Jacobs wallet combines traditional craftsmanship with modern technologies. The result is innovative and stylish wallets with a high degree of functionality.

Nano series – Frequently asked questions

What all fits into the Smart Wallet?

Our mini card holders can hold up to 13 cards, as well as banknotes and coins. The Nano Boy Cardholder has space for around 1 to 3 coins. You can even store between 10 and 14 coins in the Nano Boy Pocket Cardholder.

Is the card holder only available for men or also for women?

The Nano Boy card holder is available for both men and women.

What is the difference between the Nano Boy Mini wallets and other card cases?

Card cases from other manufacturers usually only have space for cards and sometimes banknotes. The Nano Boy card wallets may be the same size as card cases, but they can hold up to 13 cards, banknotes and coins.

Are the Nano Boy Mini wallets available in different colours?

Yes, we offer all Nano Boy card wallets in a wide range of different leather colours. The elastic part is always black. The leather part of the cardholder can be selected in different colours.

Can I get the card holder engraved?

You can also order the Nano Boy Pocket Mini Wallet with engraving. However, the Nano Boy Cardholder with a small coin pocket cannot be engraved.