Eagle Creek Briefcase Backpack RFID Padded backpack straps and padded top and side carry handles Anti-Theft: Two-way lockable zippers with Secure-Zip Toggle closure on main compartment with Central Lock Point, plus a Passport-sized RFID Blocker pocket for ID protection Digital Safe-Zone: Two padded sleeves sized for up to a 17 laptop and tablet that feature a hook-and-loop closure, plus electronics pocket Personal Safety: Sternum strap buckle with integrated safety whistle, plus reflective accents and light attachment loop for nighttime visibility All Ways Secure Padded backpack straps and padded top and side carry handles All ways secure Anti-theft - two-way lockable zippers with secure-zip toggle closure on main compartment with central lock point, plus a passport-sized RFID blocker pocket for ID protection Digital safe-zone - two padded sleeves sized for up to a 17 inch laptop and tablet that feature a hook-and-loop closure, plus electronics pocket Personal safety - sternum strap buckle with integrated safety whistle, plus reflective accents and light attachment loop for nighttime visibility