Circular Material Innovation

Spent coffee grounds, reimagined as eco-material innovation.

A circular material that blends nature with technology — premium synthetic leather crafted from spent coffee grounds, engineered for a more sustainable way to make future products.

KUNS coffee-ground leather, close-up
The Problem

Every cup of coffee leaves a footprint.

Billions of cups a day leave millions of tonnes of spent coffee grounds — most sent to landfill, where they release methane. KUNS turns that waste into a premium material.

See the problem
Spent coffee grounds — the origin of the KUNS material
The Material

A perfect harmony of nature and technology.

KUNS repurposes spent coffee grounds — a common urban waste — transforming them into a premium synthetic leather made for refined product applications.

Blonde Roast
Medium Roast
Dark Roast
01

Spent coffee grounds

Recovered spent coffee grounds become the origin of the material — a circular story rooted in everyday life.

02

Plant-based binder

  • Natural raw material
  • Biodegradable
03

Uniform strength

Uniform strength in every direction but adjustable — engineered to adapt to your application's needs.

Explore the material system
The Products

From high-end accessories to future furniture.

Crafted with uniform, adjustable strength, KUNS moves from small personal items to large-scale interior pieces.

Wallets & small goods
Accessories

Wallets & small goods

Wallets, keychains, and premium small goods where warm tone and hand-feel carry the product.

Daily carry & protection
Tech sleeves

Daily carry & protection

Structured, warm-toned surfaces for sleeves and protective products.

Chairs & seating
Furniture

Chairs & seating

A water-resistant surface suited to indoor furniture and everyday living spaces.

Sheets up to 1 m²
Furniture & interior

Sheets up to 1 m²

Now scaled to one-square-metre sheets — opening the way to sustainable furniture and decor.

Mould-pressed homeware
Homeware

Mould-pressed homeware

Coasters and trivets pressed in a mould — proof the material can be compression-formed into rigid, finished shapes.

Die-cut shapes
Die-cutting

Die-cut shapes

Detailed figures like these horse charms are precision cut with a cutting die — ideal for keychains and premium giveaways.

For Business

Join the green economy with a circular material partner.

KUNS works with brands, hotels, cafes, and product teams to turn spent coffee grounds into high-value, custom-made products.

01

Circular Partnership

We take spent coffee grounds from hotels and coffee shops, process them into material, and develop custom products for use within their own establishments.

02

Custom Production

Tailored manufacturing for brands seeking unique, eco-conscious premium goods with a genuine material story.

03

Scalability

Scalability for your business — turning waste into high-value resources with a repeatable, scalable supply.

The Impact
  • 100% reduce waste
  • 4× lower carbon footprint
  • Biodegradation

KUNS cuts 100% of spent coffee grounds from landfill, carries a carbon footprint around 4× lower than animal leather, and biodegrades in soil — leaving no microplastics behind.

Our approach to sustainability
KUNS material tones
Partner with KUNS

Start with the material. Build toward the product.

Share the application, category, or collection you are exploring and begin a B2B conversation with our material team.