Description: 【Wall Mounted Design】: This wall mounted plastic mailbox features a hollow back design for easy wall installation, saving space and easy to install. 【Material】Wall Mount Post Box Suggestion Case is made of pp material, lightweight and sturdy structure. The mailbox is designed with a lock cover that is waterproof and rainproof. 【Password Lock Feature】: The mailbox's lock design ensures the safe storage of small parcels, cards, and checks. 【Size】: Donation suggestion key drop box ,external size: 34.5cmx26cmx7cm/13.58inchx10.24inchx2.76inch, internal size: 32.7cmx21.5cmx5.9cm/12.87inchx8.46inchx2.32inch,the mail slot opening size:19.2cmx2.2cm/7.56inchx0.87inch, large opening and capacity, making it easy to insert and retrieve items. 【Versatile Use】Multifunctional box can be used for donation, collection, key drop, express checkout, comments suggestions box, time card box ballot box 【Application】Suggestion Case Mailbox can hold various envelopes, paperwork, newspapers, etc., suitable for home, official bureau, or company, community walls. Specification: Material: PP Size Chart: External Size: 34.5cmx26cmx7cm/13.58inchx10.24inchx2.76inch Opening Size:19.2cmx2.2cm/7.56inchx0.87inch Internal Size: 32.7cmx21.5cmx5.9cm/12.87inchx8.46inchx2.32inch Package Includes: 1 Wall Mount Post Box Note: Please allow slightly errors 1-2cm differences due to manual measurement.