Hanging data binder features Presstex covers and storage hooks to secure up to 6 of unburst sheets Design is toploading and bottomloading Acrylic coating on binder provides a waterresistant cover Retractable filing hooks are designed for both singlepoint filing and a drop file system These flexible nylon posts adjust to hold up to 6 of sheets attached in continuous form Data binder accommodates the following center posts 1438, 1318, 1112, 1012, 912, 812, and 7