MiniBrainstorm

TomatoZero
$19.00 Sold out
<p>Earn%20[points_amount]%20when%20completing%20this%20purchase.</p>
Orders containing a pre-order item will ship once that item is back in stock. All other items in your order will be held for you until shipment.

Expected to ship: 1/30/2026 - 2/03/2026
  • Worldwide Shipping
  • Easy 30 Days Returns
  • Tyvek® material
  • Limited Artist Designed
Description

The MiniBrainstorm Tyvek® coin pouch brings instant organization to your pocket or bag. Designed by TomatoZero, this artist collaboration merges bold visual identity with functional minimalism. Whether you're managing small change during travel, organizing daily pocket coins, or keeping your desk drawers tidy, this pouch delivers effortless style.

Crafted from durable Tyvek® material, the MiniBrainstorm resists wear and tear from daily use. The intuitive, no-zipper design keeps coins secure without adding bulk, making it ideal for EDC (everyday carry) enthusiasts and minimalist wallet users alike. Unlike traditional coin purses, there are no snaps or buttons to break—just reliable, clean functionality.

The artist-driven aesthetic distinguishes this pouch from standard coin holders. Each piece carries TomatoZero's signature creative vision, making it perfect for those who value both design integrity and practical performance. Pair with our Slim Wallet collection for a complete minimalist system, or add to your Micro Wallet collection for versatile carry options.

A compact coin storage solution that respects both your style and your pocket space.

Shipping & Returns

Orders are shipped from our US logistics hub in 1-2 business days after placing an order. Once shipped, you will receive a tracking link to your email.

EASY REFUND & DESIGN EXCHANGE

You have 30 days from the delivery date of your shipment to request a refund or an exchange of color.

Made from Tyvek®

paperwallets are crafted from Tyvek®, a durable, lightweight, waterproof material designed to match your active lifestyle. This synthetic material is constructed from high-density, recyclable polyethylene fibers.

Size Guide

Closed Coin Pouch: 

Wallet Width - 1.6 inches (4.25 cm) / Height - 3.3 inches (8.5 cm)

Meet the Pouch.

Keep coins, cards, cash, and tiny must-haves zipped up, easy to grab, and ready for wherever the day takes you.

Made from Tyvek®

Tyvek is a lightweight, waterproof, tear-resistant material that feels like paper but is made from durable polyethylene fibers.

RFID protected.

RFID protection blocks unauthorized scans, helping keep your card data and personal information secure.

Artist designed.

This is a unique piece. Features artwork by an independent artist, adding distinctive style to everyday essentials.

CONTAINS20 coins & CASH
Smart material
Water resistant
Durable
Expandable
Paperwallet with cards and cash Paperwallet with cards and cash
100% recyclable
Artist Designed
Limited edition
Fits all currencies
Smart material
100% recyclable
Water resistant
Artist Designed
Durable
Limited edition
Expandable
Fits all currencies

Testimonials

See 5,674 Reviews

Customer Reviews

Overall rating: 4.8 / 5 from 5674 reviews.

well made very small it does fit nicely in the pocket and also in my cell phone case. would purchase again

No Swimming

I just love my Klimt wallet. Its size is deceptive! The wallet holds more than you would expect, yet it tucks nicely into my purse’s interior pocket. I keep taking it out to show people!

The Kiss

Quick shipping and just as pictured! I enjoy the easy access to my most used cards and the bigger slots for things not needed as often, like insurance card or shopper discount cards. It makes my entire bag so much lighter to carry.

Sunflowers

I love how thin it is but also holds exactly what I need. I will definitely spread the word.

Broke Beats Vol. 3

I love this little wallet. Carry only the cards that I need, space for cash is awesome, and have gotten compliments but weird looks about my wallet. Would recommend getting one. Very durable as well

Ramen Girl

The thing is great. Seen like it will last, and I live the design.

Checked & Candies

Bought it for my granddaughter - she told me she really likes it.

Okkake Ninja

My wife loves these wallets. This is her first on, but we will be ordering more!!

The Kiss

The wallet fold unfold a lot while taking out cards

The Great Wave

What a great buy! Material is strong and stylish. Fits in any pocket of any pants. Also great for small travel sling bags. No more pocket bulge!

Broke Beats Vol. 3

Love

The Kiss

I started down-sizing my wallet years ago and ended up using a hard micro wallet. It served well but was causing wear in and on the surface of the pocket. My new Paperwallet has the same RFID protection and carrying capacity bit without the wear and tear on my pants. Plus, it has art!

The Old Man and the Sea

I bought this for a Christmas gift for someone!

The Starry Night

I loved the creative look, and it feels promising in terms of durability. Still on the earlier experience side, but I am enjoying it so far.

Scenes from Nature

I got this wallet to get away from my thick leather wallet that was starting to hurt my back - it really helped! I love how low profile it is, it fits perfectly in my front pockets, and it holds everything I need. Totally recommend your wallets!!

Sunflowers

Love the design by the artist & how minimalist the micro wallet is

Growltiger's Last Stand

It’s the perfect wallet for me. It’s something nice and small, which is what I was looking for. I like things that don’t stick out a lot in my pocket and can hold what I need them too. It also has a very interesting appeal and I really like the texture. I hope it lasts a good long while.

Understory

I'm a minimalist, and this is perfect...holds all my cards in a compact wallet, easy to just put in my pocket

Recording

Nice

Smile!

So far it is great, very thin & light weight

The Great Wave

The wallets are cute and tiny as expected. I love them

Understory

Tuck it into a pocket, stash it in a bag, backpack or car. Beautiful and easy peasy. I don't think this is going to be a long-term solution, but I'm hoping I can keep it for years- as long as possible.

Sunflowers

Beautiful. I bought as a gift. V thin it can fit in front pocket.

Intergalactic Passport

Loved it. Already bought 4. It fits all my cards and even cash.

Mugen Kotowaza Monogatari

Quick delivery and wonderful wallet!

Meow

Customer photo review of Afternoon Bath

My old lime green paper wallet was finally ready to be retired after about 3 years. Excited and pleased to break in this great new design.

Afternoon Bath

It’s thin and lightweight. Exactly what I wanted. The print is fun!

Sunflowers

Love all the new Paper Wallet designs...Thank you for featuring Klimt and Monet...

The Kiss

It’s my second wallet. Love the size and thinness. And it holds all I need.

The Kiss

The wallet is good and fits nice and small in my pocket. Not sure how durable it will be but so far so good. But took off 2 stars because I'm super annoyed by getting daily emails begging me to write a review. You know, not everybody wants to write a review for every item they buy. Relax and just sell your wallets and stop being so needy.

Monsters Crew

Absolutely in love with these wallets. Perfect size and fantastic designs!

Understory

took awhile to finally get it, neighbor had it. but love it.

Sunflowers

Loved z colors and how thin it is. It fits like 8 cards some cash and my ID. I even bought 4 more and a passport cover.

D.I.S.C.O.

Awesome wallet. Bough three of the same design.

Monkey Business

So light yet sturdy. Fits in my purse and no bulk

Garden Quilt

This wallet is great - just like the site promised. The art is amazing.

Growltiger's Last Stand

FAQs

Dimensions of the Coin Pouch?

Closed Coin Pouch Measurements:

Width - 1.6 inches (4.25 cm)
Height - 3.3 inches (8.5 cm)

Will the Coin Pouch fit the 5 CHF coin?

Yes. The 5 Franc Swiss coin (5 CHF) is ~31.5mm in diameter. At the bottom of our page you will find an image of the coin pouch with a 5 Swiss Franc coin sticking halfway out. Scroll up and see for yourself.

Will the Coin Pouch fit the Australian 50 cent coin?

Yes! The Australian 50-cent coin is ~31.5mm in diameter. At the bottom of our page you will find an image of the coin pouch with a 5 Swiss Franc coin sticking halfway out. The Swiss 5 Franc coin is also ~31.5mm in diameter. Scroll up and see for yourself.

How many coins does the Coin Pouch fit?

There is no one answer to this question because it depends on the size of the coin - but, I guess the best answer is: more coins than you usually need on your person at any given time.

The recommended max would be 16 average sized coins. However, we have tested the capacity of the Magic Coin Pouch and were able to get a max of 20 'average' sized coins (US quarters) into the coin pouch. If the coin is 'small' then you can stuff more than 20.

Will my wallet last?

Yes. Tyvek® material is paper thin but extremely durable, tear resistant and 100% water resistant. The origami folded structure is specifically designed to hold all your things, and expand with use while keeping its shape and structural integrity.

Is it water resistant?

Yes! Go swimming, go to the beach, or take a shower with your clothes on! Tyvek® is 100% waterproof and the wallet is designed to last when exposed to the elements.

What is Tyvek®?

Tyvek® material is a super strong and eco-freindly material. It is made from tiny fibers of plastic woven in a random pattern to create a paper-thin yet ultra durable fabric.

Is it made out of paper?

No. Paperwallet products are made out of ultra durable Tyvek® material. See ‘What is Tyvek?’ above for more details.

Is it eco-friendly?

Yes! Paperwallet is 100% recyclable, and it is made in part from already recycled materials.

How can I recycle my Paperwallet?

Send them to us and we will recycle them for you and give you 10% off your next purchase! For recycling please contact us at support@paperwallet.com