Best Double Wall Box Mailers of 2026

Jordan Akhtar Avatar
Jordan Akhtar
Last Updated: 10 Feb 2026

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Double Wall Box Mailers are a type of packaging that provides extra protection for your items during shipping. These mailers are made of two layers of corrugated cardboard, which makes them more durable than regular cardboard boxes. They are available in various sizes to accommodate a range of items, from small fragile objects to larger items like books and electronics. Double Wall Box Mailers are a great option for businesses or individuals who want to ensure that their products arrive at their destination in good condition.

At a Glance: Our Top Picks

AKAR Double Wall Cardboard Shipping Boxes Cover #TOP 1
AKAR Double Wall Cardboard Shipping Boxes
ftb score rating icon 9.8
AKAR Double Wall Cardboard Moving Boxes Cover #TOP 2
AKAR Double Wall Cardboard Moving Boxes
ftb score rating icon 9.7
AKAR Double Wall Cardboard Moving Box Cover #TOP 3
AKAR Double Wall Cardboard Moving Box
ftb score rating icon 9.5

Top 7 Double Wall Box Mailers

AKAR Double Wall Cardboard Shipping Boxes

AKAR-DW-18x12x12
Manilla
Medium
AKAR Double Wall Cardboard Shipping Boxes Cover
18x12x12"|| 457 x 305 x 305mm || AKAR Double Wall Cardboard Shipping Boxes Storage Packing Shipping Moving House Boxes Double Wall Postal mailing Boxes Box Mailers Cardboard Storage box (Pack Of 1)

The AKAR Cardboard Moving Boxes are ideal for all your shipping and storage needs. Constructed from strong double-wall corrugated cardboard, they provide excellent protection for your fragile items during moves or relocations. Their eco-friendly design allows for easy assembly and efficient packing, making your moving process smoother. Additionally, these versatile boxes can accommodate a wide range of products, from electronics to textiles, making them a practical solution for both home and business use.

What We Like
Strong and durable construction
Eco-friendly and sustainable design
Easy to assemble and stack
Versatile for various uses
#TOP 2

AKAR Double Wall Cardboard Moving Boxes

AKAR-DW-18x18x12
Manilla
AKAR Double Wall Cardboard Moving Boxes Cover
18x18x12" | 457 x 457 x 305mm | AKAR Double Wall Cardboard Shipping & Storage Postage Box | Strong & Durable Postal Mailer suitable for Moving [Single Box ONLY]

AKAR Cardboard Boxes are ideal for all your moving and shipping needs. Constructed from strong double-wall corrugated cardboard, these boxes provide excellent protection for your fragile items during transport. They are eco-friendly and delivered flat-packed, making them easy to assemble and store. The multiple uses of these boxes make them suitable for various products, from electronics to clothing, ensuring you can pack efficiently for any occasion.

What We Like
Strong and durable construction
Eco-friendly and easy to assemble
Suitable for various items
Flat-packed for convenience
#TOP 3

AKAR Double Wall Cardboard Moving Box

AKAR-DW-24x18x18
Manilla
AKAR Double Wall Cardboard Moving Box Cover
24x18x18" | 610 x 457 x 457mm | AKAR Double Wall Cardboard Shipping & Storage Postage Box | Strong & Durable Postal Mailer suitable for Moving [Single Box ONLY]

The AKAR Cardboard Moving Box is an essential solution for your packing and moving needs. Made from strong double-wall corrugated cardboard, it ensures your fragile items, like crockery, are well protected during transit. These boxes are not only durable but also eco-friendly, being flat-packed for easy assembly. This design allows you to maximise your space and pack efficiently. With multiple uses across various product categories, you will find this box perfect for both personal and business storage solutions.

What We Like
Strong double-wall construction
Eco-friendly and recyclable material
Flat-packed for easy storage
Versatile for various uses
#TOP 4

AKAR Double Wall Cardboard Moving Boxes 18x18x12"

AKAR-DW-18x18x12
Manilla
AKAR Double Wall Cardboard Moving Boxes 18x18x12" Cover
18x18x12" | 457 x 457 x 305mm | AKAR Double Wall Cardboard Shipping & Storage Postage Box | Strong & Durable Postal Mailer suitable for Moving [Pack Of 5]

The AKAR Double Wall Boxes are strong and durable, made from 100% double-wall corrugated cardboard to protect your fragile items during moves or shipments. These boxes are ideal for shipping, moving house, or storing items both at home and in the office, offering you a reliable solution for organising and transporting goods. They come flat-packed, making them easy to assemble and store until you need them, saving space and time. Plus, they’re eco-friendly, made from recycled materials, so you can pack and move with sustainability in mind.

What We Like
Strong double-wall construction
Suitable for fragile items
Flat-packed for easy storage
Eco-friendly recycled material
Multipurpose for home and office
#TOP 5

W.E. Roberts Double Wall Cardboard Boxes

BXDW040
Brown
W.E. Roberts Double Wall Cardboard Boxes Cover
W.E. Roberts 30 x Thick Removal Packaging Storage Cardboard Boxes - Double Wall - 18 x 12 x 12/457 x 305 x 305mm

The W.E. Roberts Cardboard Boxes are designed with practicality in mind. Each box measures 457mm x 305mm x 305mm, making them ideal for various storage needs. Constructed from robust BC flute double wall board, approximately 6.5mm thick, they offer excellent durability. Supplied flat-packed and bundled, they are easy to store until needed. The flaps on top allow for secure taping shut, ensuring your items remain safe during transit or storage.

What We Like
Strong, durable construction
Flat-packed for easy storage
Secure closure with tape
Spacious internal dimensions
#TOP 6

W.E. Roberts 10x Double Wall Mailing Boxes 18x12x12

BXDW040(---10)
Brown
W.E. Roberts 10x Double Wall Mailing Boxes 18x12x12 Cover
W.E. Roberts 10x Double Wall Brown Mailing Cardboard Boxes - 18" x 12" x 12"

The W.E. Roberts Mailing Boxes are sized at 457mm by 305mm by 305mm, providing ample space for your mailing needs. Made from strong BC flute double wall board, they offer excellent protection for your items during transit. Supplied flat-packed and bundled, these boxes are easy to store until needed, saving you space. The top flaps allow you to securely tape the box shut, ensuring your contents stay safe and intact while being sent. These features make the W.E. Roberts Mailing Boxes a practical choice for reliable and convenient packaging.

What We Like
Strong double wall construction
Flat-packed for easy storage
Secure top flaps for taping
Large internal dimensions
#TOP 7

30 x W.E. Roberts Double Wall A4 Storage Boxes

BXDW015
Brown
30 x W.E. Roberts Double Wall A4 Storage Boxes Cover
30 x A4 Home Removal Storage Packing Cartons - Double Wall Cardboard Boxes - 12" x 9" x 9" / 305mm x 229mm x 229mm

The W.E. Roberts Storage Boxes come in a convenient size of 305mm by 229mm by 229mm, making them ideal for storing or moving smaller items. These boxes are made from strong, double wall cardboard, which helps protect your heavier or more delicate belongings during transit or storage. They arrive flat-packed, so you can easily store them until needed, saving space in your home or workspace. Each box includes flaps that can be securely taped shut, ensuring your items stay safe and contained while you move or store them.

What We Like
Strong double wall cardboard
Compact A4 size
Flat-packed for storage
Easy to tape closed
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is double wall cardboard boxes?

Double wall cardboard boxes are heavy-duty storage boxes produced using two layers of corrugated cardboard stacked side by side. They are ideal solutions for a long list of storage and transport tasks where extra protection is required.

2. Are Store Pak boxes double walled?

StorePAK heavy duty boxes are manufactured from strong double wall material, perfect for those heavier items and gives good stacking strength.

3. What is a multi depth shipping box?

Multi-depth style cartons are pre-scored at intervals on the sides of the box. To obtain the desired size container, simply cut down to the height wanted. No need for a special carton-sizing tool. Cartons are sold in bundle quantities and ship flat to save on storage space and shipping.

Editor's Notes

During our double wall box mailer research, we found 295 double wall box mailer products and shortlisted 7 quality products. We collected and analyzed 8,200 customer reviews through our big data system to write the double wall box mailers list. We found that most customers choose double wall box mailers with an average price of £16.36.

The double wall box mailers are available for purchase. We have researched hundreds of brands and picked the top brands of double wall box mailers, including AKAR, W.E. Roberts.

Written by
Jordan Akhtar Avatar

Jordan Akthar owns one stationery store in Bradford, and another in Derby. He started with a corner bookshop, and now the rest is history. He is often found in his stores taking count of inventories of books and stationery. Jordan also likes to write, and this drove his passion for writing articles on stationery maintenance. He owns a blog, where in his free time, he would write DIY tips on how you can recycle and refine your stationeries.