Home About Articles #1 Best Seller on Amazon in Professional Photography Category By D. Currier. Published on January 20, 2015. http://www.amazon.com/Plastic-Sleeves-Portfolio-Self-Promotion-Photographers/dp/0415711185/ref=sr_1_1?s=books&ie=UTF8&qid=1421794711&sr=1-1&keywords=no+plastic+sleeves