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Our Black Mailbox – Sleek, Durable Mail Storage

Our black mailbox combines modern aesthetics with practicality, ideal for residential or commercial exteriors. Made with 16-gauge steel (rust-resistant, powder-coated black) or UV-resistant plastic (fade-proof), it fits letters, magazines, and small parcels. It features a magnetic door (stays closed in wind), a secure lock option (to prevent mail theft), and a red flag for outgoing mail. Available as post-mounted (with included black post) or wall-mounted, it’s easy to install and complements various exterior styles. Backed by our 20+ years of manufacturing, it resists scratches and harsh weather. Our team offers bulk orders for neighborhoods and custom engravings—perfect for timeless, low-maintenance mail storage.
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Why choose us?

Customized Services

Understanding that every customer has unique needs, our sales team is dedicated to providing personalized solutions. Whether it's product customization or special order requirements, we strive to meet and exceed customer expectations.

Reliable Production Base

Our factory in Shanghai, with its advanced production facilities and strict management system, serves as a reliable production base. It guarantees stable product supply and short lead times, enabling us to meet the market demand in a timely manner.

Industry - Leading Knowledge

With a solid background in safety industries, we have in - depth knowledge of the security market. This expertise allows us to better understand customer needs and develop products that are in line with industry trends and standards.

Related products

A black mailbox is a versatile, aesthetically distinct mail storage solution that combines the functionality of standard mailboxes with the timeless, sleek appearance of a black finish—making it a popular choice for users seeking to complement diverse architectural styles (modern, traditional, industrial) or enhance curb appeal. Beyond its visual appeal, black mailboxes are engineered to meet core performance standards: weather resistance (against rain, UV radiation, and temperature fluctuations), security (to prevent mail theft), and durability (to withstand daily use). Shanghai Kuntu Industrial Co., Ltd., a BSCI-certified factory with over 20 years of experience in manufacturing mailboxes, leverages its expertise in color-coating technology, corrosion-resistant materials, and user-centric design to produce black mailboxes that balance style, functionality, and longevity for residential, commercial, and public use. Residential users across the globe choose black mailboxes for their ability to complement home exteriors. Consider a homeowner with a modern, minimalist house featuring black window frames and a dark front door: a black mailbox from Shanghai Kuntu becomes a cohesive design element, rather than an afterthought. The residential black mailbox is available in three common styles to suit different homes: post-mounted (for suburban yards, with a sturdy steel post), wall-mounted (for townhouses or apartments with limited space), and freestanding (for driveways). Constructed from high-grade steel or aluminum, it features a premium black powder-coated finish—applied via a multi-step process (pre-treatment to remove impurities, electrostatic painting, high-temperature curing) that ensures resistance to fading, chipping, and rust. Even in harsh climates (e.g., the salty air of coastal homes or the intense UV radiation of desert regions), the black finish retains its depth and luster for years. The mailbox includes core functional features: a spacious interior (8–12 liters) to hold 3–5 days of mail (letters, magazines, small packages), a lockable door (optional, with a key or combination lock) to prevent identity theft via stolen mail, and a weatherproof seal to keep contents dry. For example, a family in a coastal town in California can rely on the black mailbox’s corrosion-resistant finish to avoid rust from ocean mist, while the lockable door protects sensitive mail (tax documents, bank statements) from porch pirates. Shanghai Kuntu’s quality control process includes testing the black finish for UV resistance (1,000+ hours of simulated sunlight exposure) and impact resistance (to withstand accidental bumps from garden tools) to ensure long-term performance. Commercial users, such as retail stores, restaurants, and office buildings, use black mailboxes to align with brand aesthetics or create a professional, cohesive look. A high-end restaurant with an industrial-themed interior (exposed brick, black metal fixtures) may install a black mailbox near its host stand to receive vendor invoices, reservation confirmations, and customer feedback cards. Shanghai Kuntu’s commercial black mailbox is constructed from thicker-gauge steel (to withstand high traffic) with a scratch-resistant black finish. It features a larger interior (15–20 liters) to handle higher mail volumes and can be customized with the restaurant’s logo (engraved or printed) for branding. For office buildings with multiple tenants, modular black mailbox systems are available—each tenant has a private, lockable compartment with a black finish that matches the building’s lobby decor. These systems include a centralized parcel area for packages and integrate with digital notification systems to alert tenants of incoming mail. Public spaces, including parks, urban plazas, and transportation hubs, also use black mailboxes for their durability and low-maintenance appearance. A city park with modern outdoor furniture (black metal benches, tables) may install a black mailbox near the visitor center to allow park-goers to send postcards or leave feedback. Shanghai Kuntu’s public-use black mailbox is designed with anti-vandalism features (e.g., reinforced door hinges, tamper-proof locks) and an easy-to-clean surface (wiping with a damp cloth removes dirt or grime). It complies with accessibility standards (e.g., large, easy-to-read labels, accessible height) to serve all users. To learn more about the specifications of our black mailboxes (including style options, material choices, and customization features) or to inquire about pricing, please contact our dynamic foreign trade sales team. They will provide personalized solutions to meet your aesthetic and functional needs.

Frequently Asked Questions

What products does your company mainly produce?

Our company mainly produces key safes, Maibox, book safes, lock boxes, combination locks, and a wide range including key safe lock box, padlock, gun safe box, cash box, mailbox, portable safe box, safe box, time lock box, personal safe, tsa lock, beach safe, parcel deposit box, combination padlock, and house safe.
Our BSCI - certified factory located in Shanghai has over 20 years of production and processing experience.
Yes, our highly professional and dynamic foreign trade sales team, equipped with rich international business knowledge, can offer personalized solutions according to different customer requirements.
Sure. Understanding that every customer has unique needs, our sales team is dedicated to providing personalized solutions, including product customization in terms of appearance or function.

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Customer Reviews

Richard Davis
Stylish Mailbox That Fits All Mail Sizes

This mailbox has a modern design that matches my house’s exterior. It’s large enough to hold magazines, packages, and regular letters—no more folding mail to fit inside. The door has a magnetic closure, so it stays shut in windy weather. The metal is thick, and it doesn’t dent easily. Installation was simple, and it’s been 4 months with no issues.

Karen Wilson
Easy-to-Install Mailbox with Great Durability

I installed this mailbox by myself in less than 30 minutes using the included hardware. It’s made of heavy-duty aluminum, so it’s lightweight but strong. It can withstand strong winds without tipping over. The slot is large enough for small packages, which is a big plus. I’ve recommended it to several neighbors.

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Pick Our Mailbox – Stylish & Weatherproof Delivery Solution

Pick Our Mailbox – Stylish & Weatherproof Delivery Solution

Our mailbox combines modern design with weather resistance, fitting magazines, packages, and letters. It has a secure lock to prevent theft and easy installation. Backed by our factory’s expertise, it’s durable for long-term use. Contact us for customization or color options!