Material Wood pulp 500 sheets/ream 5 reams/carton 2 sided Copying Description features: A4 Supreme (Thailand) Laser/Copier Paper A4 70/80gsm (95% Whiteness) Certified ISO 9001 & ISO 14001 Please do not hesitate to contact us for further information, question, suggestions regarding the company and our services please feel free to contact us and we will be pleased to answer your request or inquiry at the earliest with relevant details.