Four 16" x 12" x 3½" (41 cm x 31 cm x 9 cm) messenger bags. A:Contrast lower front and strap. B: Detachable shoulder strap and contrast handles and straps. C: Front pocket, contrast straps, tabs and carriers. D:Pocket flap and handles. All views are lined and have inside pocket. Measurements are approximate and exclude handles and strap.