The Travelon Anti-Theft Roam Convertible Backpack Sling is at its best-ever price on Amazon; it’s also a $34 low today.  Shipping is free.  It includes a 5-point anti-theft system with slash-resistant material, locking compartments, and RFID-blocking pockets for passports and cards. The bag converts between a backpack and a sling with a 52″ adjustable strap and holds up to an 11″ tablet. Buy Now at Amazon