Quality Park Ring Binder Mailer For 3” Binders, 12” x 12-1/4” x 3-15/16”, 65% Recycled, White

Quick and easy mailing for binders and heavy documents. Sturdy die-cut white fiberboard mailer ships and stores flat for easy storage until you need it, then folds quickly into a shipping box. Protects ring binders, catalogs and business forms. Easy to set up—no tape needed. Pre-printed address lines.