All of our papers are sustainably sourced and our toner is water based, so 100% environmentally friendly. Also, we produce every custom wallpaper according to every order, therefore, we reduce production waste. Additionally, our murals use certified environmental friendly inks and paper.  The water-based latex inks used in our wallpapers are non-toxic and completely odourless. This not only guarantees pure room air only, is also the best practice for the environment. This is confirmed by the Greenguard Indoor Air Quality Certification, which the inks of our murals are certified with.  The certification of our murals by Greenguard is Gold: Product Certified for Low Chemical Emissions UL.com/GG. UL.2828. It is also certified Ecologo, this means our murals are certified for reduced environmental impact. View specific attributes evaluated: UL.com/EL. UL.2801 Also, these murals have been awarded the "Confidence in Textiles" certificate (textiles successfully tested for harmful substances according to Oeko-Tex Standard 100 and Oeko-Tex Standard 1000) and are FSC certified, which guarantees sustainable forestry. See more of our sustainable and safe murals here.