1. Typical characters: Free from paper jamming in high-speed printing and copy equipment. 2. Suitable for use in laser printers, ink jet printers and copy/fax machines... 3. Quality grade: Brightness 94%, 98%, 100%, 104% 4. Base substance: 70gsm, 75gsm, 80gsm 5. Packing: By waterproof packing paper against moisture