The Vevor through-the-wall drop box provides secure and convenient mail collection for homes, offices, workplaces, and schools. Its heavy-duty steel construction features a rust-resistant powder-coated finish for long-lasting durability. A rainproof shield, drainage holes, and rubber pads help protect contents from water exposure. The combination lock and internal anti-theft baffles add extra security, while the adjustable slide design fits a range of wall thicknesses for easy installation.