Karst Stone Paper™ is committed to the highest verified standards of social and environmental performance, transparency, and accountability.

This commitment rings true throughout all aspects of our business, not just the design and quality of our stone paper products. That's why we continually monitor our performance with respect to governance, workers, customers, community, and the environment. We are proud to be a Certified B Corporation®, and have earned the following certifications.



Certified B Corporation®

Certified B Corporations® (B Corps) are for-profit companies that use the power of business to build a more inclusive and sustainable economy.

We meet the highest verified standards of social and environmental performance, transparency, and accountability. The Certification process uses credible, comprehensive, transparent, and independent standards of social and environmental performance. It is one of the only certifications that is not for a product or service, but for the whole business behind the product or service.

Learn more about our B Impact Assessment results here

C2C CradletoCradle

Our stone paper is CradletoCradle Certified Silver. That means we are committed to continuous improvement standards and are always working toward better practices in material reutilisation and water stewardship in our manufacturing process. But that’s not all, C2C certification assesses the entire product life cycle, so you can rest assured our stone paper doesn’t harm the planet even when you’re done using it. 


ISO 14001 and ISO 9001

The quality management system of our manufacturers is assessed against provisions designed to make sure companies continually meet and exceed their environmental and customer quality standards.


REACH Compliant

REACH is a legislative regulation for chemicals in the European Union to ensure strong protections for that of human health and the environment. This regulation aims to protect both people and planet from the harms of chemicals and promotes alternative methods to the testing of substances.


RoHS Compliant

RoHS stands for Restriction of Hazardous Substances, meaning our products are free from toxic substances such as lead (Pb), mercury (Hg), cadmium (Cd), hexavalent chromium (CrVI), polybrominated biphenyls (PBB), polybrominated diphenyl ethers (PBDE), and four different phthalates (DEHP, BBP, BBP, DIBP). These chemicals pollute landfills and are dangerous to water sources, and are also extremely hazardous to people if exposed in an occupational capacity during manufacture or recycling.


One Tree Planted

We partner with One Tree Planted to support the global reforestation efforts. Not only does this help the environment by planting trees that absorb CO2 from the atmosphere, we’re able to help responsibly employ communities that have been negatively impacted by deforestation.