Description: 【Premium and Reliable】: The ballot box is made of aluminum material, which is sturdy, lightweight, wear and scratch resistant. 【Lockable Container】: Comes with 2 keys, locked box requires a key to open. 【Easy Installation】: The design is convenient with no need for drilling holes for installation. It can be placed anywhere without affecting the aesthetics of your wall. 【Multifunction】: The suggestion box is suitable for donation collection, voting ballots, gathering opinions, complaints, letters, receiving suggestions, business cards, name cards, class president, collecting comments, and more. 【Application】: The post box is suitable for charities, comment boxes, businesses, shops, offices, schools, community centers, any other setting, and reception desk. Specification: Material: Aluminum Alloy Color: Silver Size Chart: 21cmx10cmx28cm/8.27inchx3.94inchx11.02inch Letter Input Port 15.5cmx8mm/6.10inchx0.31inch Package Includes: 1 Suggestion Box Note: Please allow slightly errors due to manual measurement and different monitors.