Amazon.com: Metal Suggestion Box with Locking Hinged Lid, Pocket for Ballots, Sign Holder and Security Pen, for Tabletop or Wall - Black : Office Products
Suggestion Box Literature Holder with Locking Top, 13.75 x 3.63 x 13.94, Plastic, White - ASE Direct
Accuform MGNF560VP Plastic Suggestion Box Sign,"Make A Suggestion Your IDEA Counts!", 10" Length x 14" Width x 0.055" Thickness, Green/Black on White: Amazon.com: Industrial & Scientific