With 60 years of commitment and still going strong, Charles Leonard, Inc. Is a second generation family business. We take pride in our relationship with quality and value, which goes back to day one. Keep all your important documents safe and secure with Charles Leonard sheet protectors. These heavy weight, polypropylene sheet protectors are acid-free, archival safe and won't lift print off documents. They measure 8-1/2 x 11 inches and fit into standard three ring binders. Box of 100. Clear.