Best Plastic Security Mailboxes in 2026

Large capacity fits larger boxes, padded envelopes, and magazines laid flat

Rust-proof plastic construction is highly durable providing strength and stability

Wide opening allows easily delivery of packages

USPS approved full-service residential locking mailbox prevents mail-identity theft

14- and 16-gauge electro galvanized welded steel construction defends against vandalism

Innovative baffle door accepts small packages and deters fishing

USPS Approved Oasis 360 Locking Mailbox is 11.3 in. W x 11.5 in. H x 20 in. D

Accepts parcels 9.5 in. W x 12.6 in. L x 1.5 in. H to 9.5 in. W x 3.5 in. L x 2.5 in. H

Dual door locking parcel mailbox, two doors for easy access

Convenient newspaper holder keeps papers clean and dry

Front and rear access to interior compartments

Includes address numbers, mounting hardware, and post cover

LARGE CAPACITY: Jssmst mail box can hold magazine and large envelopes, it is able to hold days worth of mail at a time

EXTERIOR DIMENTIONS: 14 x 11.5 x 4 Inch; INSIDE STORAGE AREA MEASURES: 13.2 x 11.2 x 3.8 Inch

SECURITY WITH KEY LOCK: Jssmst mailbox includes key lock with 2 keys for security against theft

ENOUGH CAPACITY: Jssmst mailbox provides ample space for various types of mail, including rolled magazines

EXTERIOR DIMENSION: 12.2 x 8.3 x 3.05 Inch; INSIDE STORAGE AREA MEASURES: 11.82 x 8.07 x 2.56 Inch INSIDE STORAGE AREA MEASURES: 12.2 x 8.2 x 2.8 Inch

PRIVATE LOCKABLE: Jssmst mailbox includes key lock with 2 keys for security against theft

1. Perfect size - 46" tall X 16.5" W , Item Weight: 18.3 pounds, large tall and heavy duty. Material: cast aluminum and cast iron. Color: White

2. Brand new and high quality color, classic and upscale made of aluminum and steel, durable and for long time using with lock for keeping your letter security simple assemble need and all the hardware include.

3.Locking access door with 2 keys keeps mail safe, Features a historic design, locking door. Please note: the mailbox has no red flag, only for receiving mails and can't mail it out.

HIGH-QUALITY, DURABLE: Mailboxes for Outside are made of strong steel and painted to effectively prevent rust, scratch-resistant ,this product will provide long-term durability and use for years .

SECURE DESIGN: The lockable wall mount mailbox is made of a strong metal with two keys, and it gives faster and more immediate access.

LARGE CAPACITY: Mail box fits hold multiple letters, newspapers, emails, etc., and also can accommodate letters from the family for a period of time. Size:12.4"x 8.54"x 3.35"

· Stainless Steel: the material of mailboxes is stainless steel. It is characterized by sturdy and unyielding to rust

· Large Capacity: the size of mailbox is 15.4" x 12"x 4.8" , it fits small boxes, magazines, padded envelopes and so on

· Sturdy Lock: decaller mailbox has sturdy key lock with 2 key for security, it can prevent mails theft

Padlocks, Lockout/Tagout & Security Equipment

Country of manufacture: United States

Manufacturer: SALSBURY INDUSTRIES

NEWSPAPER COMPARTMENT- At the bottom of the letter box, there is a rectangular newspaper bucket for collecting newspapers.

DURABLE MATERIAL - Made of solid and sturdy metal,provides high security protection and safety storage for your mail.

LARGE CAPACITY - Humanization design and Large Space suitable for general storage of letters,file bags, valuables courier bags, and personal items.

CONVENIENT AND SECURE DROPBOX: This wall-mount mailbox duty holds various mailings, paperwork, newspapers, magazines, small parcels, packages, post office deliveries. It provides the perfect solution for convenient and secure, dropbox applications

WEATHERPROOF: Outdoor mountable mailboxes are made with high quality galvanized steel magnetic cover, black powder coated that locked mails from heavy rain and deliberate theft.

RESIDENTIAL OR OFFICE USE: Aesthetic posts, mounts vertical mailbox stylish look adds modern touch to exterior decor, front door house, commercial or business, classic rural and modern apartment. In terms of its locking security, mailbox has secure key lock with two reserved key locks that is not easy to duplicate.

CONVENIENT, AFTER-HOURS DROP BOX. This wall mounted mailbox provides the perfect solution for convenient and secure, drop box applications, including outdoor night drops, key drops, payment drops, interoffice mail and much more.

HIGH-QUALITY, DURABLE CONSTRUCTION. Made using heavy-duty, 16-gauge galvanized steel construction with a powder-coated, scratch-resistant finish, this product will provide long-term durability and use for years to come.

SECURE DESIGN. The locking door access includes a patented, anti-pry latch locking mechanism, commercial grade 12-disc wafer lock and three (3) laser cut keys to ensure that items dropped inside are safe and secure.

EXTERIOR DIMENTIONS: 12.9 x 14.2 x 4.1 Inch; INSIDE STORAGE AREA MEASURES: 9.1 x 11.8 x 3.5 Inch

SECURITY WITH KEY LOCK:Parrency mailbox includes key lock with 2 keys for security against theft

LARGE CAPACITY: Jssmst mail box can hold magazine and large envelopes, it is able to hold days worth of mail at a time

Locking access door with 2 keys keeps mail safe, Features a historic design, locking door

Perfect size - 46" tall X 16.5" W , Large tall and heavy duty. Material: cast aluminum and cast iron. Color: White

The easy assembly and installation will have your new stylish mailbox up in no time. Do Not Hesitate, Just Buy One!

· Safe and Quality : The mailbox is made by quality galvanized steel, enough secure to provide heavy duty security and sustainability with 2 keys

· Newspaper Compartment : At the bottom of mailbox, it has a rectangular shape newspaper bucket for collect newspaper

· Large Capacity : External size is 14.4" x 4.2" x 13", inside size is 11.8" x 3.5" x 9.1"

【DURABLE MATERIAL】- xydled’s Drop Box is made of powder-coated heavy-duty steel to ensure durability and long life, and provide high-security protection and safe storage for your mails. The black textured surface is not only scratch-resistant and modern as well as beautiful.

【PLENTY OF STORAGE SPACE】- The safe storage box measures 15(H)x12(L)x4(W) inches, offering plenty of storage space for your emails, documents, letters, etc. The size of the opening slot is 9.1x0.47 inches.

【SAFETY STORAGE】 - The mailbox is designed to prevent fishing with a jagged metal baffle inside. It comes with 2 keys and a secure latch that can keep your letters in a safe space.

Large Capacity: The lockable wallmount mailbox duty are holding multi mailings, group mail, paperwork, newspaper, magazines, small parcel, package, and post office deliveries; This measures (15.0 x 15.7 x 4.8) Inches (W x D x H), Model Number - SLMAB06

WeatherProof: Outdoor mountable mailboxes are made with high quality galvanized steel magnetic cover, black powder coated that locked mails from heavy rain and deliberate theft

Residential Or Office Use : Aesthetic posts, mounts vertical mailbox stylish look adds modern touch to exterior decor, front door house, commercial or business, classic rural and modern apartment; In terms of its locking security, mailbox has Secure key lock with two reserved key locks that is not easy to duplicate

Heavy-Duty Mail Drop Box: The mail drop box is made of 1.2 mm thick steel with rust-proof powder coating, sturdy and durable. You can use this secure mailbox to collect keys, letters, cashes, office documents, rent checks from the tenants, greeting cards, etc.

Good-Sized Storage Bin & Slot: The through-the-wall drop mail box has a 12.5'' x 6.3'' x 16.9'' storage bin with 0.77 cubic feet of space, which can accommodate plenty of small-sized items. 9.8'' x 2.3'' slot is suitable for smartphones, envelopes, small mails.

Adjustable Chute: The adjustable chute fits 2.75 - 7.87 inches thick wall, compatible with common types of walls. Heightened mailbox door effectively solves the mail jamming problem. In addition, the wall mount hardware is included for easy installation.

HIGH-QUALITY, DURABLE: Mailboxes for Outside are made of strong steel and painted to effectively prevent rust, scratch-resistant ,this product will provide long-term durability and use for years .

SECURE DESIGN: The lockable wall mount mailbox is made of a strong metal with two keys, and it gives faster and more immediate access.

LARGE CAPACITY: Mail box fits hold multiple letters, newspapers, emails, etc., and also can accommodate letters from the family for a period of time. Size:12"x 10.51"x 4.68"

HIGH-QUALITY&DURABLE: The wall-mount mailbox is made of strong galvanized steel, will use for a long service lifespan; the painted finish is special outdoor powder coating for weather resistance

LARGE CAPACITY: Mail box fits hold multiple letters, magazines, newspapers; waiting for that import post? The 3 transparent viewing windows will tell you the answer; look the newspaper holder at the bottom is also a good option

A LITTLE UPGRADE, A BIG PROGRESS: Different from ordinary mailbox lock, the LANDVOI lock is more durable and safer, the added rotatable cover ensures the long-lasting service of this lock;the black silicone pad can effectively reduce the noise when the lid is closed;and the black nylon spacer between wall and mailbox to avoid it scratching the wall

SECURE, STURDY, AND CONVENIENT: PEELCO locking mailboxes residential will help prevent your important mail from being destroyed, stolen or replaced.

PRACTICAL MAGNETIC LID: Provides easy access to the mailbox both with and without a key.

ELEMENT-ENDURING MATERIALS: The powder coated and galvanized stainless steel material is rust-resistant, weather-proof and durable. The 0.6mm thickness provides heavy duty security and sustainability.

SECURE AFTER HOUR DROP: This mountable mailbox provides convenience and security for night drops, key drops, payment drops, interoffice mail and much more. It has a secure key locking feature with two reserved lock keys not easy to duplicate

LARGE CAPACITY: Large enough to hold multi mailings, group mail, paperwork, newspaper, magazines, small parcel, package, post office deliveries. It measures 9.0’’ x 3.3’’ x 12.5’’ (L x W x H) and features a universal mount to any wall or flat surface

DURABLE WEATHERPROOF CONSTRUCTION: The outdoor indoor wall mounted mailbox is made with high quality galvanized steel magnetic cover and white powder coated finish that locked mails from heavy rain and deliberate theft

HIGH-QUALITY, DURABLE: Mailbox is made of steel plate material, strong and durable, thick wear resistance, paint surface is antirust elements, prevent scratches, is a practical article, can be used for many years.

CONVENIENT DELIVERY &SAFE USE:Mailbox with delivery port, easy to store, without opening can be quickly collected. There is a handle on the edge of the delivery mouth to facilitate your delivery.

APPROPRIATE CAPACITY: Mail box fits hold multiple letters, newspapers, emails, etc.,including rolled magazines . Size: 12”X4.17”X13.46”/14.96”

DURABLE AND SUSTAINABLE : Mailboxes has ample space for various types of mail, including rolled magazines. Collects and holds mail from a mail slot. Fits on all horizontal mail slots.

STURDY : Mailbox be crafted with quality nylon, steel for strength and durability.

SAFE ：Keeps Your Mail Safe and Secure. Eliminates Your Mail Falling on the Floor. Standing nylon baffle, this is designed to prevent from fishing or stealing private property.

SECURITY:The size of the place where the package is placed is 8*1.2inches.Please note that the MAIL shown in the picture already exists and house number is variable

DURABLE&WATERPROOF: Sleek modern design, locking mailbox made of stainless steel with satin finish,and our stainless steel is waterproof design can be against rain,wind and snow weather well

THIS IS A MUST BUY: Our locking malibox has medium capacity with dimensions W 10.2" H 12.2" D 4",it is suitable for mail and newspapers.And you can paste the house numbers on the mailbox

This mailbox is made with corrosion-resistant, high grade stainless steel with a Matte finish

Large mailbox size: 12.5 inch w x 18.5 inch H x 5.5 inch D will hold several days of mail

Heavy duty lock with 2 keys adds security

PERFECT USAGE. This mailbox wall mount provides the perfect solution for convenient and secure, drop box applications, including night drops, key lock box, cash box for payment, interoffice mail document safe and much more.

HIGH-QUALITY. Made using heavy-duty, 16-gauge galvanized steel construction with a powder-coated, scratch-resistant finish, this outdoor storage mail box will provide long-term durability and use for years to come.

SECURE DESIGN. The locking door access includes a patented, anti-pry latch locking mechanism, commercial grade 12-disc wafer lock and three (3) laser cut keys to ensure that items dropped inside are safe and secure.

[Wall Mount Mail Box]: 15 9/16"x12"x3 3/4" Large Wall Mount Mail Box with slim size for taking up less space, features outward opening door for taking out your mails conveniently; Large inner compartment to store letters, newspaper and magazines

[Durable Construction]: Made of solid steel with powder coating finish, corrosion-resistant, anti-rust and weather-proof, suitable for outdoor & indoor use

[Lockable & Safe]: Comes with lock and 2 keys for providing anti-theft protection & added security, ensuring that your sensitive mails are safely held at your doorstep

RED FLAG:The design of the red flag indicates that this mailbox has the function of sending parcels and mails

DURABLE&WATERPROOF: Sleek modern design, locking mailbox made of iron with satin finish,and the iron is waterproof design can be against rain,wind and snow weather well

THIS IS A MUST BUY: The wall malibox has medium capacity with dimensions W 10.2" H 12.2" D 4",it is suitable for mail and newspapers.And you can paste the house numbers on the mailbox.The size of the mailing port is 8*1.2inches