Best Large Cardboard Box Mailers of 2026

The W.E. Roberts Moving Boxes are designed to make your relocation process hassle-free. With convenient hand holes, you can transport heavy items easily and securely. The included printed room list helps you organise your belongings, allowing you to track what’s inside each box. Additionally, these eco-friendly boxes are made from 100% recyclable materials, supporting sustainable practices while you move. You’ll appreciate their versatility, as they can also be used for long-term storage of your valuable items.

The Direct Global Trading Boxes come as a pack of 25 strong cardboard boxes, each measuring 52cm x 30cm x 30cm. These boxes are ideal for moving house or storing your belongings securely. You will appreciate their ability to be easily stacked, saving you valuable space. Additionally, they include a generous 66 metre roll of Fragile Tape, ensuring your items are well protected during transit. With carry handles and a tick room list included, organising your move becomes a lot simpler and more efficient.

The Pluto Packaging Cardboard Boxes are ideal for moving and shipping. Each box boasts a substantial 115-litre capacity, allowing you to securely pack heavy or fragile items with ease. The double wall design provides durability, while the practical carry handles make lifting and transporting effortless. You will appreciate the included room tick list, which keeps your packing organised and stress-free, ensuring you know exactly where everything belongs during your move.

Direct Global Trading Boxes are ideal for anyone looking to move house or store items securely. With a generous capacity of 44 litres per box, you can easily pack your belongings without worry. The boxes measure 52cm x 30cm x 30cm, making them easy to stack and store efficiently. Plus, they come with a 66-metre roll of fragile tape, ensuring your delicate items are well protected. With carry handles and a tick room list included, organising your move has never been easier.

The SR Mailing C4 Postal Boxes are designed for your shipping needs. Made from robust 1.2mm thick single wall cardboard, they ensure your items are well-protected during transit. Each box is delivered flat-packed and securely wrapped, making storage easy and convenient. You will appreciate how quick and easy they are to assemble, allowing you to prepare your parcels in no time. With a size qualifying for large letter postage, these boxes are perfect for sending documents and other flat items efficiently.

The W.E. Roberts Moving Boxes are extra-large cardboard boxes measuring 52cm by 52cm by 40cm, perfect for packing when you move house or need storage. With a generous 108-litre capacity, these boxes let you store more items conveniently, saving you time and effort. Made from strong 200T Kraft paper, they are durable and easy to stack, so you can move or store your belongings with confidence. The boxes also feature handy checklists to keep your packing organised and hand holes, making them easier to carry during your move.

The Direct Global Trading Boxes are a must-have for anyone needing reliable storage solutions. With a generous capacity of 108 litres, these robust boxes can easily accommodate your belongings while ensuring they remain secure during a move. The innovative carry handles make lifting and transporting your items simpler, allowing you to carry them from either end. Perfect for relocating to a new home, university, or even overseas, these boxes are designed for repeated use and feature a handy tick room list to help you stay organised.

The Extra Large Moving Boxes are designed for your packing needs, featuring five strong cardboard boxes that are double-walled for added durability. Each box includes carry handles, making it easy for you to transport your belongings safely. With a room list included, you can easily organise your items during the moving process. Additionally, the package comes with 66 metres of fragile tape, ensuring that your delicate items are well-protected. This combination of features makes the packing experience more efficient and less stressful for you.

The Strong Cardboard Storage Boxes come in a pack of 20, including 10 extra large and 10 large boxes. The extra large boxes measure 20.8'' x 20.8'' x 16'', perfect for holding bulky items, while the large boxes are slightly smaller at 20.8'' x 12'' x 12''. These boxes are very strong, making them ideal for storage and moving house, giving you confidence that your belongings are well protected. They now feature carry handles, which makes lifting and transporting easier and more convenient for you. Additionally, they are designed to be easily stacked, helping you save space and keep organised during your move or storage.

The Triplast C6 Postal Box is designed with an easy-to-assemble FEFCO 0427 style, featuring fold-over ends and secure ear lock lids, which helps you pack quickly and safely. It fits Royal Mail's 'Large Letter' size, allowing you to save on postage costs when sending smaller items. With internal dimensions of 160x110x20mm, the box offers ample space for phones, accessories, or other small goods, while its robust 125 WK/T single wall cardboard construction ensures reliable protection during transit.