1. Forestery - all face and backing papers are made with pulp sourced from sustainable and registered forests in Scandinavia.2. Chlorine - all the papers used are ECF3. Other Chemicals - all highline items conform to the European directive 94/62/CEE4. Acididty - All the papers used are manufactured PH neutral to be acid free.5. Adhesives - These are water based acrylics and therefore solvent-free. They comply with regulation EN71/3 ’safety of toys” and FDA for ‘Food Contact”6. ISO 14001 - Green Dove Award. Arconvert hold this highly respected Swiss Certification.