... Brightness :92%~110% 4 OEM service available High CIE Copy Paper 1, 70gsm, 2. Size: A4, B4, B5, 8.5"x11",3. ... .2.virgin wood pulp, good stiffness, high strength, color lasting, no brittling, good protection.3. Our paper passed the speedy test of processional ... all kinds of printing and copying of original colors. The copy looks like originals.7. high-quality material makes the paper with good opacity ...