Best Single Wall Box Mailers of 2026
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Single Wall Box Mailers are a type of packaging material used for shipping and mailing various items. These mailers are made of corrugated cardboard and have a single layer of fluting, providing moderate strength and protection to the contents inside. They come in a variety of sizes and are easy to assemble and seal with tape. Single Wall Box Mailers are a cost-effective solution for sending lightweight and non-fragile items such as documents, books, clothing, and small electronics. They are a reliable and practical option for both personal and business use.
At a Glance: Our Top Picks
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Top 9 Single Wall Box Mailers
Triplast Small Single Wall Cardboard Boxes 9x6x6
The Triplast Single Wall Boxes come in a pack of five, providing you with convenient, flat packed storage solutions. Made from Triplast corrugated single wall cardboard, these boxes offer sturdy protection for your items during shipping or mailing. Their compact size of 9x6x6 inches (229x152x152mm) is ideal for small parcels, gifts, or postal deliveries. With the model number TPLBX5SINGL9X6X6, you can easily identify and reorder these reliable, easy-to-handle boxes for your packaging needs.
AKAR Double Wall Cardboard Moving Boxes
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.
AKAR Double Wall Cardboard Moving Box
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.
Triplast Small Single Wall Cardboard Boxes 9x6x6 Pack
The Triplast Single Wall Boxes are made from durable corrugated single wall cardboard, offering reliable protection for your items during shipping or storage. You receive 10 flat-packed boxes, which are easy to store and assemble when needed, making them convenient for home or business use. Each box measures 9x6x6 inches (229x152x152mm), a practical size for mailing parcels or gifts. This pack is ideal if you often send small items and require sturdy, compact packaging solutions.
Triplast Medium Single Wall Cardboard Boxes 12x9x6"
The Triplast Cardboard Boxes are made from corrugated single wall cardboard, providing sturdy protection for your items during shipping or mailing. You receive 50 flat packed boxes, making storage easy and saving you space until you need them. Each box measures 12x9x6 inches (305x229x152mm), a medium size ideal for a variety of parcels. These boxes are perfect if you want reliable, convenient packaging that is ready to use whenever you need to send or store your goods.
AKAR Double Wall Cardboard Moving Boxes
AKAR Cardboard Moving Boxes are perfect for all your shipping and storage needs. Made from strong double-wall corrugated cardboard, they provide excellent protection for fragile items during house moves or office relocations. Their eco-friendly design allows for easy assembly, making your packing experience more efficient. With a flat-packed delivery, these boxes are convenient to store until you need them. Ideal for various uses, from mailing to organising your home or office, they are an essential addition to any move.
Triplast 8x6x4" Small Cardboard Boxes
The Triplast Cardboard Boxes are ideal for shipping and mailing. Made from corrugated single wall cardboard, these sturdy boxes offer excellent protection for your items during transit. With a size of 8x6x4 inches (203x152x102mm), they are perfect for a variety of products, ensuring that your gifts or parcels arrive in great condition. The pack contains 100 flat packed boxes, making it convenient for you to store until needed. This means you can easily manage your shipping supplies without taking up too much space.
Triplast Small Single Wall Cardboard Boxes 9x6x6"
The Triplast Single Wall Boxes offer a practical solution for your mailing and shipping needs. Made from Triplast corrugated single wall cardboard, these boxes provide sturdy protection for your items during transit. Each pack contains 50 flat packed boxes, making storage and handling easy until you need them. Sized at 9x6x6 inches (229x152x152mm), they are ideal for small parcels, gifts, or postal items, helping you keep everything secure and organised.
Pack of 50 Single Wall Cardboard Boxes
The STORM TRADING GROUP Boxes are ideal for your mailing and shipping needs. These lightweight single wall postal boxes help you keep postage costs low, making them perfect for budget-conscious users. They are a staple for mail rooms and eCommerce operations, ensuring you have a reliable packaging solution. The boxes come flat packed for convenient storage, and you can easily assemble them by taping the flaps. With dimensions of 12x9x6 inches, they are specifically designed for medium parcels, although it's wise to check with your carrier regarding size acceptance.
Frequently Asked Questions (FAQs)
1. How strong are single wall boxes?
For lighter and less fragile products, single wall boxes can still provide the right protection and can hold up to 10kg in weight.
2. What is a single walled box?
A single wall box is constructed using three layers of paper that are glued using starch into one single, sturdy sheet. The interior layer, called flutes or waves (the squiggly bit), play the biggest role in determining the box's strength.
3. What is single wall carton?
Single wall corrugated cardboard consists of an inner and outer liner with a fluted corrugated sheet in between. Single wall board is used in the lower weight range of shipping cartons. They are of low weight and are only suitable for low packing weight.
4. What is the smallest box that can be shipped?
According to the USPS Postal Explorer, the minimum package size is at least 6 inches in length, 3 inches in height, and 1/4 of an inch in thickness. Written out in decimal points, that size is: 6 x 3 x 0.25″.
During our single wall box mailer research, we found 306 single wall box mailer products and shortlisted 9 quality products. We collected and analyzed 20,726 customer reviews through our big data system to write the single wall box mailers list. We found that most customers choose single wall box mailers with an average price of £16.60.
The single wall box mailers are available for purchase. We have researched hundreds of brands and picked the top brands of single wall box mailers, including Triplast, AKAR, STORM TRADING GROUP.
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.