material 100% wood pulp size A4 A3 and all kinds of size Certification ISO9001 Certification Brightness 104%-110% Features and benefits :•Pure 100% wood pulp neutral paper,•Not easy to yellow or become fragile ;•Easy to store all kinds of files for long time•Extra white•Outstanding printing effect•Suitable for important files and documents•High image contrast, clarity and sharpness•Without paper ...