Sturdy metal locking security box, cunningly disguised as a book to foil potential theft. Realistic cardboard cover and easily settable, 3-digit locking combination. For storing cash, documents and small valuables. Sturdy metal locking security box, cunningly disguised as a book to foil potential theft. Realistic cardboard cover and easily settable, 3-digit locking combination. For storing cash, documents and small valuables.