Home/Browse/Eco-Friendly A5 Hardcover Notebook
94Excellent

The verdict

Is Eco-Friendly A5 Hardcover Notebook worth it?

Yes — Eco-Friendly A5 Hardcover Notebook is one of the stronger picks we track in office & stationery. It holds 3 verified certifications (B Corp, Cradle to Cradle, Climate Neutral). Priced in the $$ band.

  • Cruelty-freeUnverified
  • VeganUnverified
  • Plastic-free packagingUnverified
  • Recyclable / compostableUnverified
  • Palm-oil safeUnverified
  • Certified organicUnverified
  • Fair labourYes

Karst

Eco-Friendly A5 Hardcover Notebook

Office & Stationery$$
94Excellent

Ethics Score

Composite of certifications, ingredient analysis, and sustainability practices.

Certifications

B CorpCradle to CradleClimate Neutral

Buy From

* Affiliate links help support EthiCompare's mission.

Customer Rating

4.7 (1,240)
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🎯

Best for

Journaling, outdoor field notes, and eco-conscious professionals.

AI Ethics Review

A revolutionary tree-free notebook made from repurposed calcium carbonate (stone) instead of wood pulp, using significantly less water and energy in production.

Gallery

Claim-by-claim check

The questions shoppers ask most about Eco-Friendly A5 Hardcover Notebook, answered from certifications, tags and sourcing notes on file.

Is Eco-Friendly A5 Hardcover Notebook cruelty-free?
Unverified — no third-party cruelty-free certification is recorded for Eco-Friendly A5 Hardcover Notebook in our database.
Is Eco-Friendly A5 Hardcover Notebook vegan?
Unverified — Eco-Friendly A5 Hardcover Notebook has no certified vegan claim on file; check the ingredient notes below.
Is Eco-Friendly A5 Hardcover Notebook plastic-free?
Unverified — we have no plastic-free packaging claim on record for Eco-Friendly A5 Hardcover Notebook.
Is Eco-Friendly A5 Hardcover Notebook recyclable or compostable?
Unverified — end-of-life handling for Eco-Friendly A5 Hardcover Notebook is not documented in our data.
Does Eco-Friendly A5 Hardcover Notebook avoid problem palm oil?
Unverified — no palm-oil policy is recorded for Eco-Friendly A5 Hardcover Notebook.
Is Eco-Friendly A5 Hardcover Notebook certified organic?
Unverified — no organic certification is on file for Eco-Friendly A5 Hardcover Notebook.
Is Eco-Friendly A5 Hardcover Notebook fairly made?
Yes — Eco-Friendly A5 Hardcover Notebook is backed by a labour or fair-trade standard.

Ethics Breakdown

labor
92
sourcing
98
environment
97
transparency
88
animal welfare
95

Each pillar is independently scored from public certifications, ingredient/material sourcing, and brand disclosures, then averaged into the composite Ethics Score above.

How it compares in Office & Stationery

Benchmarked against 3 other published products in the same category.

This product
94
Category average
96
Best in category
97

0%

of compared products score lower

-2

points vs the category average

3

verified certifications on file

In-Depth Review

The Future of Paper is Stone

The Karst Stone Paper Notebook represents a paradigm shift in the stationery industry. Traditional paper production is a resource-heavy process requiring vast amounts of timber, water, and bleach. Karst has bypassed this entirely by utilizing industrial waste—calcium carbonate—to create a writing surface that is smoother, stronger, and more sustainable than traditional wood-pulp paper.

Unmatched Durability and Performance

Because stone paper does not have a grain direction, the writing experience is exceptionally fluid, often described as 'floating' across the page. This unique composition also provides inherent physical benefits. The pages are naturally waterproof, meaning a spilled coffee or a rain shower won't ruin your notes. Additionally, stone paper is tear-resistant, ensuring that your archives remain intact for years to come.

  • Waterproof and smudge-proof surface
  • Tear-resistant pages for ultimate durability
  • No bleach or acids used in production
  • Recyclable with Category 2 plastics

Environmental Impact and Sustainability

Every Karst notebook produced saves carbon, water, and trees. Specifically, for every ton of stone paper produced, Karst saves 18 large trees and 2,770 liters of water compared to traditional methods. Their manufacturing facility is powered by solar energy, and the brand is a certified B Corp, meeting the highest standards of verified social and environmental performance.

MetricTraditional PaperKarst Stone Paper
Water ConsumptionHigh (2,500+ gallons/ton)Zero (Closed loop)
Timber Required18-24 trees per tonZero
Bleach usageHighNone
Note: Because stone paper is non-porous, fountain pen users should allow for slightly longer drying times to avoid smudging. Ballpoint, gel pens, and pencils perform exceptionally well.
"Our goal isn't just to make a better notebook, but to redefine our relationship with the resources used to make everyday objects." - Karst founders.

Pros

  • ✓Completely waterproof and tear-resistant
  • ✓Ultra-smooth writing surface
  • ✓Zero trees or water used in production

Cons

  • ✗Slower ink drying time for liquid inks
  • ✗Heavier than standard paper notebooks

Key Facts

Brand
Karst
Category
Office & Stationery
Ethics Score
94/100
Price Range
$$ (≈ $29)
Avg Rating
4.7/5 (1240 reviews)
Size
A5 (14.8 x 21 cm)
Binding
Thread-bound (lays flat)
Page Count
144 pages
Paper Weight
120 microns (equivalent to 144gsm)
Cover Material
Vegan Leather
Certifications
B Corp, Cradle to Cradle, Climate Neutral

🌱 Sustainability

100% tree-free. Production uses no water, no bleach, and no acids. Carbon neutral shipping and solar-powered manufacturing.

🧪 Ingredients & Materials

Made from 80-90% crushed stone (calcium carbonate) and 10% non-toxic HDPE resin to bind the stone particles.

Price & where to buy

Typically around $29 — prices change often, so check the live listing.

Affiliate links — we may earn a commission at no extra cost to you. It never affects the ethics score.

What Reviewers Say

"The smoothest paper I have ever written on. It feels premium and high-tech."
web
"I dropped my notebook in a puddle and the notes were perfectly fine. Incredible."
web
"Beautiful design, though my Pilot G2 smudges if I'm not careful."
web

Frequently Asked Questions

Is Eco-Friendly A5 Hardcover Notebook by Karst ethically made?+

Yes. Eco-Friendly A5 Hardcover Notebook earns an EthiCompare ethics score of 94/100, backed by third-party certifications including B Corp, Cradle to Cradle, Climate Neutral. A revolutionary tree-free notebook made from repurposed calcium carbonate (stone) instead of wood pulp, using significantly less water and energy in production.

Is Eco-Friendly A5 Hardcover Notebook worth buying?+

Eco-Friendly A5 Hardcover Notebook scores 94/100 on our ethics rating. That puts it in the upper band of the products we track, so it is a defensible buy on ethics grounds.

Is Eco-Friendly A5 Hardcover Notebook cruelty-free?+

We have not verified a third-party cruelty-free certification for Eco-Friendly A5 Hardcover Notebook. See our Karst verdict page for the brand's full animal-testing position.

Is Eco-Friendly A5 Hardcover Notebook vegan?+

Eco-Friendly A5 Hardcover Notebook does not carry a certified vegan claim in our database. Check the ingredient notes above and the brand's own disclosure before buying.

What are the best alternatives to Eco-Friendly A5 Hardcover Notebook?+

We list higher-scoring office & stationery products from other brands on this page, and a full set of ethical alternatives to Karst on its alternatives page.

What certifications does Eco-Friendly A5 Hardcover Notebook hold?+

Eco-Friendly A5 Hardcover Notebook holds the following certifications: B Corp, Cradle to Cradle, Climate Neutral. These independent verifications cover sourcing, animal welfare, environmental impact, and ingredient safety.

How sustainable is Eco-Friendly A5 Hardcover Notebook?+

100% tree-free. Production uses no water, no bleach, and no acids. Carbon neutral shipping and solar-powered manufacturing.

What are the key ingredients or materials in Eco-Friendly A5 Hardcover Notebook?+

Made from 80-90% crushed stone (calcium carbonate) and 10% non-toxic HDPE resin to bind the stone particles.

How much does Eco-Friendly A5 Hardcover Notebook cost?+

Eco-Friendly A5 Hardcover Notebook is priced in the $$ range for office & stationery. Visit the retailer links above for current pricing.

Where can I buy Eco-Friendly A5 Hardcover Notebook?+

Eco-Friendly A5 Hardcover Notebook is available from the brand's official website and major retailers. The product page above lists every verified retailer we track.

Is Eco-Friendly A5 Hardcover Notebook plastic-free?+

Unverified — we have no plastic-free packaging claim on record for Eco-Friendly A5 Hardcover Notebook.

Is Eco-Friendly A5 Hardcover Notebook recyclable or compostable?+

Unverified — end-of-life handling for Eco-Friendly A5 Hardcover Notebook is not documented in our data.

Does Eco-Friendly A5 Hardcover Notebook avoid problem palm oil?+

Unverified — no palm-oil policy is recorded for Eco-Friendly A5 Hardcover Notebook.

Is Eco-Friendly A5 Hardcover Notebook certified organic?+

Unverified — no organic certification is on file for Eco-Friendly A5 Hardcover Notebook.

Is Eco-Friendly A5 Hardcover Notebook fairly made?+

Yes — Eco-Friendly A5 Hardcover Notebook is backed by a labour or fair-trade standard.

Customer Reviews

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Questions & Answers

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