The Hammermill Paper 99.99% Jam-Free Guarantee: You will not experience more than one jam in 10,000 sheets using Hammermill copy paper on your high-speed digital printer or we will replace your Hammermill paper purchase. We test more than 13.5 million sheets of paper every year to make sure that each sheet is consistent. Then we test our papers on all kinds of printer and copier equipment to ensure that our paper will work well for you, every time, on every machine. MAKE SURE IT’S ORIGINAL HAMMERMILL QUALITY: look for “Ships from and sold by Amazon” at the top of the page, under the product title. “It’s More Than Just Paper” to us and to millions of sustainable forestry workers across America, including American family tree farmers. Hammermill papers are made with renewable resources from certified sustainably managed forests. We want our business to last for generations and that means taking good care of our environment. This Hammermill copy paper is a recycled paper for multipurpose print and copy use. Great White30 is available in 8.5 x 11 letter size paper, 8.5 x 11 3-hole punched paper, 11 x 17 ledger size paper, and 8. 5 x 14 legal size paper. Great White50 and Great White100 are available in 8.5 x 11 letter size paper. Hammermill Great White is available in 30% recycled, 50% recycled and 100% recycled paper. Great White30 is available in single ream (500 sheets of paper) and in cases of paper-wrapped 3 reams (1,500 sheets), 5 reams (2,500 sheets) or 10 reams (5,000 sheets). Great White50 and GreatWhite100 are available in single ream (500 sheets) and in cases of paper-wrapped 10 reams (5,000) sheets. Choose from items listed at top of page in SIZE and STYLE NAME.