TREND enterprises, Inc. Chart Sturdy Folder File 'n Save System Conveniently organize, store, and transport charts, maps, and other large display materials. Easy-carry handle. Clever notched tabs on sides for access from storage box. Useful side index. Sturdy corrugated cardboard folder measures 30 1/2" x 22 1/2" x 1/2". Fits in T1022 and T7005 Chart Storage Boxes (sold separately).