Displays2go Locking Metal Suggestion Box Wall or Counter Mount, Black Finish (SBMEABK) Suggestion box features a locking hinged door with 2 keys! Can be wall mounted. Made of durable metal; choose a black or white finish. Comes with an adhesive pen for guests to write a comment or envelope. Drop box has a built-in note pocket for storing cards, envelopes, papers, and more. Ample insertion slot measures 6.75" wide and 0.25" long. Displays2go SKU#: SBMEABK