The Kuny's EL1509 Professional Electricians Zip Pouch is made from a double layer of rugged lightweight 600D polyester fabric. Zippered top flap prevents loss of tools when carrying (or not in use). With ergonomic rubber handle and padded shoulder strap design and zippered 8 in x 5 in padded back pocket for documents or drawings/writing pads. Outside pocket for mobile phone with 3 outside large screwdriver holders. KUNEL1509