Pyramid Heavy Duty 18 Gauge Steel Locking Suggestion Box - Black Secure tamper resistant locking top, cannot open with file or fingernail. No front opening to compromise security with screwdriver. Includes 25 suggestion cards, 3 self-adhesive identification labels, and two keys Heavy-duty 18 gauge black steel construction Wall mount or place on table or countertop, includes wall anchors and screws for mounting Use as key drop box, donation box, collection box or charity box Slot opening  4-3/4 w x d, round opening in the top -1 diameter