We have A4 copy paper(210mm*297mm), A3 copy paper (297mm*420mm), Letter size copy paper (8.5x11), Legal size paper (8.5x14). Basic weight are 80GSM, 75GSM, 70GSM. Brightness is 92-96%, 98-100%, 102-104%. Packing: 500 sheets/ ream, 5 reams/ cartonMulti-purpose Office Paper1 Best quality:100% imported wood pulp, non brittle, non rusty, static-free and perfect suitabilityNo jam and curl, good performance for all brands of machine2 Comprehensive users:Copying, printing faxing both side printing and any other daily requirementAnti-yellowing and crush, convenient for keeping all types of documents3 Perfect effectHigh brightness, comfortable vision effectClarity copy effects, high loose depth and good stiffness, apply to any high class and please keep in a cool, dry place for best use.