The present invention provides a security locking bag for holding currency and coin comprising a fabric bag open along one side, the open side of the bag having a lock end and a zipper end. A zipper is attached to the fabric bag along the open side of the bag to allow the open side of the bag to be closed by pulling a sliding piece. A lock is positioned at the lock end of the open side of the bag, the lock including a body portion and locks by capturing and retaining the sliding piece. A flexible reinforcing material is folded over onto itself, to straddle the bag at the lock end of the bag. A rigid reinforcement shield is disposed between the sides of the flexible reinforcing material. The rigid reinforcement shield is sized and shaped to conform to the size and shape of the body portion of the lock and is positioned to hold one side of the flexible reinforcing material tightly against the body portion of the lock. The metal reinforcement shield and flexible reinforcing material are secured to the body portion of the lock.