---
product_id: 190668513
title: "Prime OP - Modern Stainless Steel Post Mount Mailbox with Lock and Key, Waterproof Square Mid-Century Mailbox for Outside, Large Double Door Rear Access, 17\" x 11\" x 7\" (White Oak)"
brand: "katanabox"
price: "€ 981.47"
currency: EUR
in_stock: true
reviews_count: 1
category: "Katanabox"
url: https://www.desertcart.fr/products/190668513-prime-op-modern-stainless-steel-post-mount-mailbox-with-lock
store_origin: FR
region: France
---

# 17"x11"x7" large capacity Secure lock & 2 keys Waterproof & rustproof stainless steel Prime OP - Modern Stainless Steel Post Mount Mailbox with Lock and Key, Waterproof Square Mid-Century Mailbox for Outside, Large Double Door Rear Access, 17" x 11" x 7" (White Oak)

**Brand:** katanabox
**Price:** € 981.47
**Availability:** ✅ In Stock

## Summary

> 📬 Elevate your curb appeal with secure, stylish mail delivery!

## Quick Answers

- **What is this?** Prime OP - Modern Stainless Steel Post Mount Mailbox with Lock and Key, Waterproof Square Mid-Century Mailbox for Outside, Large Double Door Rear Access, 17" x 11" x 7" (White Oak) by katanabox
- **How much does it cost?** € 981.47 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/190668513-prime-op-modern-stainless-steel-post-mount-mailbox-with-lock)

## Best For

- katanabox enthusiasts

## Why This Product

- Trusted katanabox brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Versatile & Secure:** Perfect for residential or commercial use, combining style with top-tier mail protection.
- • **Double-Door Convenience:** Rear access with lockable double doors ensures easy, secure mail retrieval every time.
- • **Built to Brave the Elements:** Premium Japanese stainless steel resists rust, rain, and sand for lasting durability.
- • **Mid-Century Modern Elegance:** Sleek, minimalist design elevates curb appeal with a timeless, sophisticated aesthetic.
- • **Spacious & Ready for Anything:** Extra-large 17"x11"x7" size fits bulk mail, magazines, and small parcels effortlessly.

## Overview

The KATANABOX Prime OP is a premium Japanese-made stainless steel post-mount mailbox featuring a large 17"x11"x7" capacity, double-door rear access with lock and key security, and a weatherproof, rustproof design. Its modern mid-century style complements contemporary homes while providing versatile, secure mail storage ideal for residential and commercial use.

## Description

desertcart.com: KATANABOX Prime OP - Modern Stainless Steel Post Mount Mailbox with Lock and Key, Waterproof Square Mid-Century Mailbox for Outside, Large Double Door Rear Access, 17" x 11" x 7" (White Oak) : Tools & Home Improvement

Review: Sleek modern design with world class customer service - We are very happy with our KATANABOX Prime OP - Stainless Steel Post Box with the modern design. I accidentally purchased it with the incorrect DR post and couldn’t figure out why it didn’t fit. The customer service representative was wonderful because when I explained by e-mail what I purchased, the they told me the very next morning to purchase the OP post and gave me credit for the DR post. Thank you Fuzuki! The KATANABOX is a very stylish well-made post box and it is a lovely finish to our new home. I would highly recommend it to anyone looking for a truly sophisticated post box. A very satisfied customer!

## Features

- LARGE CAPACITY POST MOUNT MAILBOX: This modern mailbox with post mount design measures 17" x 11" x 7" with a drop slot of 10.0" x 1.3". Its extra-large capacity holds bulk mail, padded envelopes, newspapers, magazines, and small parcels, making it perfect for outside use on residential or rural properties.
- DOUBLE DOOR REAR ACCESS: Designed for convenience, this double-door mailbox allows rear access for easy mail retrieval. The secure locking mechanism comes with two keys for added convenience, protecting your mail from theft and ensuring privacy.
- DURABLE & WEATHERPROOF DESIGN: Made from high-quality stainless steel, this rust-proof and waterproof mailbox resists the elements. Its magnetic cover ensures rain stays out, while the square mailbox shape adds a sleek, modern aesthetic.
- MODERN MID-CENTURY STYLE: This stainless steel mailbox features a minimalist design that complements modern and mid-century homes. Its post mount style offers versatility for both curbside and outdoor wall installations, adding a contemporary touch to your home or business.
- VERSATILE RESIDENTIAL OR COMMERCIAL USE: Ideal as a post mount mailbox for outside with post, this large-capacity mailbox fits various applications, from houses and apartments to rural properties. It doubles as a secure dropbox or letterbox for offices, ensuring safety and style in one package.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | KATANABOX |
| Color | White Oak |
| Included Security Features | Lockable |
| Material | Stainless Steel |
| Mounting Type | Post Mount |
| Style | Modern Mailbox |

## Product Details

- **Brand:** KATANABOX
- **Color:** White Oak
- **Included Security Features:** Lockable
- **Material:** Stainless Steel
- **Mounting Type:** Post Mount

## Images

![Prime OP - Modern Stainless Steel Post Mount Mailbox with Lock and Key, Waterproof Square Mid-Century Mailbox for Outside, Large Double Door Rear Access, 17" x 11" x 7" (White Oak) - Image 1](https://m.media-amazon.com/images/I/61X5hxJXJ7L.jpg)
![Prime OP - Modern Stainless Steel Post Mount Mailbox with Lock and Key, Waterproof Square Mid-Century Mailbox for Outside, Large Double Door Rear Access, 17" x 11" x 7" (White Oak) - Image 2](https://m.media-amazon.com/images/I/611AboBCIsL.jpg)
![Prime OP - Modern Stainless Steel Post Mount Mailbox with Lock and Key, Waterproof Square Mid-Century Mailbox for Outside, Large Double Door Rear Access, 17" x 11" x 7" (White Oak) - Image 3](https://m.media-amazon.com/images/I/81uULLVPb7L.jpg)
![Prime OP - Modern Stainless Steel Post Mount Mailbox with Lock and Key, Waterproof Square Mid-Century Mailbox for Outside, Large Double Door Rear Access, 17" x 11" x 7" (White Oak) - Image 4](https://m.media-amazon.com/images/I/71ZpqWzdhVL.jpg)
![Prime OP - Modern Stainless Steel Post Mount Mailbox with Lock and Key, Waterproof Square Mid-Century Mailbox for Outside, Large Double Door Rear Access, 17" x 11" x 7" (White Oak) - Image 5](https://m.media-amazon.com/images/I/516eHYL5LfL.jpg)

## Available Options

This product comes in different **Color** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Sleek modern design with world class customer service
*by A***Y on October 15, 2019*

We are very happy with our KATANABOX Prime OP - Stainless Steel Post Box with the modern design. I accidentally purchased it with the incorrect DR post and couldn’t figure out why it didn’t fit. The customer service representative was wonderful because when I explained by e-mail what I purchased, the they told me the very next morning to purchase the OP post and gave me credit for the DR post. Thank you Fuzuki! The KATANABOX is a very stylish well-made post box and it is a lovely finish to our new home. I would highly recommend it to anyone looking for a truly sophisticated post box. A very satisfied customer!

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**Shop now:** [https://www.desertcart.fr/products/190668513-prime-op-modern-stainless-steel-post-mount-mailbox-with-lock](https://www.desertcart.fr/products/190668513-prime-op-modern-stainless-steel-post-mount-mailbox-with-lock)

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*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-03-10*