A4 paper, Copy paper, Double A copy paper, Multi purpose copy paper, office copy paper, photo copy paper, color copy paper,bulk copy paper,wholesale copy paper,quality paper,blank paper,double sided copy paper,multifuction copy paper,A4 office printing paper. 100% pure wood pulp, high whiteness, high texture, suitable for double-sided copying, quality service at a competitive price. Features and Benefits: 1. Excellent image clarity & contrast. 2. High opacity and thickness. 3. High performance for both side printing/copying. 4. Optimized smoothness on both surface. 5. Uniform toner/ink absorption to provide good print evenness. 6. Paper dimensionally stable. 7. Guaranteed for trouble-free operation. substance: 70/75/80GSM in weight Size: A4(210mm* 297mm), A3(420mm*297mm),8.5*11(216*279mm), 8.5*13, (216mm*330mm) ,8.5*14(216*356),11*17(279*432mm) There are two quality: 1. Mixed wood pulp(ordinary quality, and ordinary brightness) 2.100% wood pulp (Super quality, and super brightness) further more, their quality also depend on its brightness 98%-102% brightness(super quality, super brightness) 106%-%108 brightness(high super quality, high super brightness) Specifications: Super premium multi-purpose A4 papers no recycling Basic weight: 70, 75, 80G/M2 Whiteness: >98% Thickness: 103-110um Surface roughness TSml/min: 75-175 HB No. 1 copy paper is the leader brand of our factory, which have three years development, and have a ready market in North America South America, particularly in the USA, Canada, Brazil and other countries. What is more, now this brand is popular in the Middle East. (1)Application: Is suitable for the digital duplicator, the laser printer, the ink-jet printer and the facsimile machine. (2) product performance organization is even, the tailor is accurate, not have Paper Jam 2. The paper surface is smooth, photocopying document clear lifelike