Finding a mailbox flags that suits your need and does its job well can be challenging. Overall, our tester reviews these mailbox flags with giving ratings and marks for its durability, ease of setup and use. Also the mailbox flags price will be fairly matched the product’s performance, plus with the attractive and sturdy design etc that comes with the product. We conducted hands-on testing for mailbox flags and have the details guide and list provided below.
In this in-depth review guide, we will discuss about the best mailbox flags.
Our Top Picks
![No Tools Needed Sturdy Mailbox Flag Replacement [2 Pack], Mail Flag, Sticks to Most Surfaces, Heavy Duty for Any Weather, No Tools Required, Easy Assembly, Universal Mailbox Flag Replacement Kit](https://m.media-amazon.com/images/I/41bmRTsdT9L._SL160_.jpg)
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Universal Peel and Stick Replacement Mailbox Flag Replacement (No Tools Required, Fits Any Mail Box)
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The Best mailbox flags
Gibraltar Mailboxes Rust-Proof Plastic Red, Mailbox Replacement Flag Kit, RFL10000
$8.17 in stock
6 new from $8.17
1 used from $9.05
1 used from $9.05
Free shipping
Amazon.com
as of July 3, 2025 3:33 am
Features
- Flag accessory can be used to replace worn or damaged mailbox flags
- Made from plastic materials guaranteed not to rust
- Stylish red color complements any mailbox and stands out to alert carriers
- Easy to assemble and install
- Fits most USPS approved mailboxes
Ozland Professional Mailbox Flag, Galvanized Steel Mailbox Replacement Flag Kit, Upgrade Sinking-Fixed Design and Multiple Installation Methods, for Metal, Brick, Stone, Wood and All Other Surfaces
$9.99
in stock
Amazon.com
as of July 3, 2025 3:33 am
Features
- HIGH-QUALITY MATERIALS AND CRAFTSMANSHIP: Ozland MailBox Flag is made of heavy-duty 12 and 15-gauge galvanized steel. The high-temperature baking paint process can effectively prevent rust, heat and cold, will not fade due to sunlight, and has a long service life.
- CONVENIENT AND DIVERSE INSTALLATION: Double-sided adhesive paste installation and the installation only takes a few seconds. The accessories include a self-tapping screw pack suitable for brick mailboxes, and the metal base can also be suitable for welding installation.
- WIDE RANGE OF APPLICATIONS: Both horizontal and vertical installation methods have the same information transmission function, suitable for Post-Mount Mailboxes and Wall-Mount Mailboxes, and can be easily connected to most mailboxes! ★Facing wall-mount mailboxes for left-side installations only ★
- GRAVITY DESIGN: The flag is erected by gravity sinking and the use process is smoother. The flag is not easy to fall when erected. The new design will reduce wear parts during use, which can effectively delay product life.
- AFTER-SALES: We are committed to providing customers with high-quality products, strict quality control, and thoughtful and meticulous after-sales service. If you have any questions and need help, please feel free to contact us directly.
Architectural Mailboxes 5285R-10 Replacement Flag, Red
out of stock
Amazon.com
as of July 3, 2025 3:33 am
Features
- Steel red replacement flag for Architectural Mailboxes
- Constructed of galvanized steel and fully powder coated for corrosion resistance
- Comes complete with mounting hardware
- Flag dimensions: 7.4 in. H x 2 in. mounting bracket
![No Tools Needed Sturdy Mailbox Flag Replacement [2 Pack], Mail Flag, Sticks to Most Surfaces, Heavy Duty for Any Weather, No Tools Required, Easy Assembly, Universal Mailbox Flag Replacement Kit](https://m.media-amazon.com/images/I/41bmRTsdT9L._SL500_.jpg)
No Tools Needed Sturdy Mailbox Flag Replacement [2 Pack], Mail Flag, Sticks to Most Surfaces, Heavy Duty for Any Weather, No Tools Required, Easy Assembly, Universal Mailbox Flag Replacement Kit
$14.49
in stock
Amazon.com
as of July 3, 2025 3:33 am
Features
- Heavy-Duty Mailbox Flag Replacement: Built to withstand the elements, our mailbox red flag is made of durable heavy-duty plastic that resists snow, wind, rain, and sun. Whether you have a metal mailbox, plastic mailbox, or even architectural mailboxes, this weatherproof flag ensures long-lasting performance, making it an essential upgrade for residential mailboxes.
- Super Strong Adhesive for Secure Attachment: Featuring 3M Extreme Outdoor Mounting Tape, this mailbox flag sticks securely to flat, smooth surfaces. The adhesive provides a firm hold in outdoor conditions without the need for tools. Perfect for small, large, or modern mailing boxes, this flag ensures reliable visibility for mail carriers.
- Hassle-Free Installation: Our mailbox flags comes with two easy installation options: use the ultra-strong adhesive for metal and plastic mailboxes, or secure it with screws for brick mailboxes. The pre-peeled corner makes application seamless—just peel, PRESS FIRMLY, and stick for a quick and sturdy attachment that stays in place.
- Smooth & Easy-to-Use Design: Designed for effortless use, our mailbox flag features a round grab button for smooth movement and a secure "click" into place when raised. Works seamlessly with residential mailboxes, kids' mailboxes, and post-mounted mailboxes. Ideal for anyone looking for a user-friendly and mailbox upgrade.
- Enhance Your Mailbox with a Decorative Touch: Whether upgrading your fall mailbox flag or looking for stylish mailbox decals, this flag adds both function and style. Compatible with various mailbox accessories, it's the perfect fit flag for mailboxes, keeping your mailing system efficient and visible.
IUIBMI Red Mailbox Flag Replacement, Acrylic Red Cardinal Bird Mailbox Flag, Easy to Install, Waterproof Mail Flags for Wood, Metal, Stucco, Brick and All Other Surfaces
$11.99
in stock
2 new from $11.99
Free shipping
Amazon.com
as of July 3, 2025 3:33 am
Features
- There is a protective film on the surface!! AFTER RECEUVING IT, please REMOVE the protective film, the black characters and lines will be GONE!! DURABLE MATERIAL: The mailbox flag is made of acrylic material, which is not easy to rust, waterproof, and can withstand any adverse weather conditions.
- RED CARDINAL ORNAMENTS: The striking red and vivid Cardinal appearance are the best decoration for your mailbox.
- EASY INSTALLATION: Applicable to any smooth and flat surface, plastic, metal, wood, brick, concrete, etc.
- HOME DECOR: The mailbox flag is suitable for Christmas, Halloween, etc. to add a festive atmosphere. The unique logo makes your mailbox a unique landscape.
- IDEAL GIFT: The mailbox flag can be a birthday, anniversary, holiday, house warming gift for friends, family, relatives, etc.
Universal Peel and Stick Replacement Mailbox Flag Replacement (No Tools Required, Fits Any Mail Box)
$16.99 in stock
2 new from $16.99
4 used from $24.99
4 used from $24.99
Free shipping
Amazon.com
as of July 3, 2025 3:33 am
Features
- Introducing the world's first peel & stick replacement mailbox flag by PostFlag. Absolutely ZERO tools required, installs in SECONDS. Made with rust-proof, powder coated metal material.
- Safely & Securely Sticks to Wood, metal, plastic, rubber, smooth surface stone, smooth cement & smooth brick/paver. *We do not advise you use this product on gritty or flaky surfaces.
- For best results, wipe the surface of your mailbox clean of dirt & debris before applying your new mailbox flag.
- Made with the strongest outdoor-rated tape in the world. Revolutionary 3M VHB (Very High Bond) tape is temperature rated from -20 degrees to 120 degrees fahrenheit.
- This product has been tested in real world weather conditions. We guarantee the adhesive material to last the lifetime of your mailbox.
Mailbox Delivery Notification Alert Signal Flag
$14.99
in stock
Amazon.com
as of July 3, 2025 3:33 am
Features
- Flag automatically rises when door is opened
- Never make another wasted trip to the mailbox
- Easy installation
- Made in U.S.A.
2 Pieces Mailbox Flags Flamingo Coconut Tree Mailbox Replacement Flags for Roadside Mailbox Flag Replacement Metal Mail Box Flag Decorations for Brick Mailbox Hardware, 2 Styles
$9.99
in stock
Amazon.com
as of July 3, 2025 3:33 am
Features
- Suitable Size: the flamingo style is approx. 14.42 x 23 cm/ 5.68 x 9.06 inches, the palm style is approx. 19.8 x 23.5 cm/ 7.8 x 9.25 inches, and the diameter of the hole is approx. 0.5 inches, replacement flags for metal mailbox are eye catching enough
- Solid Quality: the mailbox flags for brick are mainly made of metal, sturdy, not easy to fade, rust or deform, can be outside for a long time, you can use them to decorate your mailbox to make it look more colorful
- widely decorative: the replacement flag for mailbox can not only decorate mailboxes, but also walls, potted plants, doors, corridors, kitchens, gardens and many other places, adding a touch of color to the slightly monotonous space
- Easy to Install: there is a hole at the bottom of the mailbox flag, you can easily fix it on the mailbox with tools, which is not included; Even one person can quickly install it without much effort
- Beautiful Shapes: flamingo and palm styles, and the leaves are very real, the details are adequate, which can easily appeal others, maybe they will also choose the same style
Ozland Professional Multi-Directional Mailbox Flag, Galvanized Steel Mailbox Replacement Flag Kit, Tool Free Installation, for Wall-Mount and Post-Mount Mailboxes (Heavy Duty Metal Material)
$9.99
in stock
Amazon.com
as of July 3, 2025 3:33 am
Features
- HIGH-QUALITY MATERIALS AND CRAFTSMANSHIP: Ozland Multi-directional MailBox Flag is made of heavy-duty 12 and 15-gauge galvanized steel. The high-temperature baking paint process can effectively prevent rust, heat and cold, will not fade due to sunlight, and has a long service life.
- CONVENIENT INSTALLATION: Double-sided adhesive paste installation and the installation only takes a few seconds. Suitable for wall-mount mailbox and post-mount mailbox with smooth surfaces. This product is not suitable for Brick mailbox, if you need brick mailbox flag, please search B094HV92NZ.
- DEVELOPED FOR WALL-MOUNT MAILBOX: Facing wall-mount mailbox and post-mount mailbox for any-side installations. Compact Wall-Mount Mailbox lid that does not hinder flag rotation, the flag is capable of rotating 180 degrees.
- GRAVITY DESIGN: The flag is erected by gravity sinking and the use process is smoother. The flag is not easy to fall when erected. The new design will reduce wear parts during use, which can effectively delay product life.
- AFTER-SALES: We are committed to providing customers with high-quality products, strict quality control, and thoughtful and meticulous after-sales service. If you have any questions and need help, please feel free to contact us directly.
Mailbox Flag, Front Mount, Great on Brick/Stone Mailbox, Stylish Replacement
$18.50
out of stock
3 new from $18.50
Free shipping
Amazon.com
as of July 3, 2025 3:33 am
Features
- ➨ Front Mounted Mailbox Flag
- ➨ The front mount is especially useful when traditional side mount is not an option, such as a brick or stone mailbox.
- ➨ This simple designed mailbox flag mounts easily to the front of your mailbox.
- ➨ The flag is made of durable and attractive plastic with black or white mount and red flag. Mounting hardware is included.
- ➨ Please indicate in note with purchase which color (black or white) mounting base you desire.
The Video Review of Best mailbox flags
The Verdict
When you’re looking for mailbox flags, you’ll want to keep a few things in mind. First, decide what you want to use the mailbox flags for. Next, check the product reviews with comparision which we have listed as well. Once you’ve decided on mailbox flags you want to buy mailbox flags, look at the reputation of the manufacturer as well. You can compare prices and quality together before you make your purchase.