kowaku Charity Collection Donation Box Multipurpose with Window Locking for Home Office Classroom Comment Box Mailbox Gray.This is made of quality pp, ensuring its durability and longevity. The two parts of the box are tightly connected by screws through round holes, making it waterproof. The majority of the box is formed in single piece, with no connecting seams, ensuring a truly waterproof design.The suggestion drop box features a clear view window that allows you to easily see if there are any items inside This window is sealed with a transparent cover for added protection.Each Comment box comes with a built in rotating lock for added security. Each lock is also equipped with two keys, providing convenience.The dimensions of this mail box are 210mm in length, 110mm in width, and 290mm in height; the input port measures 135*6mm - great for collecting suggestions or complaints from customers or employees.Each package includes 1pc , two screws for assembly, and two keys for the lock - everything you need to set up your new secure collectionwall mounted with slot and lock. donation box Complaint Box for office Waterproof. Lockable Opinion Box Mailbox locking Comment Box. employee customer feedback box letter box. storage box Drop Box ballot box ticket box. [Product Dimensions]: The dimensions of this mail box are 210mm in length, 110mm in width, and 290mm in height; the input port measures 135*6mm - great for collecting suggestions or complaints from customers or employees. [Clear View Window]: The suggestion drop box features a clear view window that allows you to easily see if there are any items inside This window is sealed with a transparent cover for added protection. [Package Includes]: Each package includes 1pc , two screws for assembly, and two keys for the lock - everything you need to set up your new secure collection [Secure Locking Mechanism]: Each Comment box comes with a built in rotating lock for added security. Each lock is also equipped with two keys, providing convenience. [ and Waterproof]: This is made of quality pp, ensuring its durability and longevity. The two parts of the box are tightly connected by screws through round holes, making it waterproof. The majority of the box is formed in single piece, with no connecting seams, ensuring a truly waterproof design.