Cheaper than Amazon. Full-color reproduction white copy paper, B4 size, 500 sheets per ream, set of 5 reams. Whiteness 93%, paper thickness 0.09mm, 2500 sheets total. I purchased this item for 6300 yen including shipping on Yahoo!. It just arrived, please check the date on the address label. I ordered the wrong size. I will send it as is. It's a large item and shipping costs will be high, so I apologize, but please refrain from price negotiations. - Brand: Sakawa - Size: B4 (257mm x 364mm) - Number of sheets: 500 sheets - Number of packages: 5 reams - Features: White copy paper, full-color reproduction Thank you for viewing.