The Artbin Tote Exptress has a zippered main compartment holds up to 24" x 36" (60.96 x 91.44 cm) items and 2 front zippered pockets, each 6.50" x 11" (16.51 x 27.94 cm) for pencil kits and supplies. The large 17" x 14" (43.18 x 35.56 cm) zippered pocket on front for smaller sketch pads and supplies Horizontal 34" x 6" (86.36 x 15.24 cm) hook and loop closure pocket on front for longer rulers and rolled documents 33 " x 3.50" (83.82 x 8.89 cm) "Sleeve" with bungee loops for securely transporting T-squares. Adjustable shoulder strap with shoulder pad 2 comfortable easy grip handles.