Postal Mailing Box Double Wall Cardboard 40x40x40 cm

Postal Mailing Box Double Wall Cardboard 40x40x40 cm

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£4.49
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Postal Mailing Box Double Wall Cardboard 40x40x40 cm

Postal Mailing Box Double Wall Cardboard 40x40x40 cm

£4.49
Box Pack Quantity

Constructed with dual layers of corrugated cardboard made from 125gsm sheets, this heavy-duty mailing box provides outstanding crush resistance and strength. Measuring 40x40x40 cm internally with a wall thickness between 6 and 7 mm, it delivers reliable protection for packing, shipping, and long-term warehouse storage.

These durable brown packing boxes are easy to assemble and can be stored flat without wear and tear. Crafted from 100% recyclable, high-quality corrugated cardboard, they offer an eco-friendly and dependable packaging solution for both fragile and heavier items.

Key Features

Internal Dimensions 400 x 400 x 400 mm
Material 125gsm Corrugated Cardboard
Wall Type Double Wall
Wall Thickness 6–7 mm
Color Brown
Recyclability 100% Recyclable

Highlights

  • 16″X16″X16″ (approx. 400 x 400 x 400mm) brown flat mailing box
  • Box dimensions are based on the internal dimensions (L x W x H), not external dimensions.
  • Box wall thickness between 6 and 7 mm, made from 125gsm cardboard sheets
  • Double wall: robust and highly durable
  • Easy to assemble and convenient to ship
  • Lightweight to reduce postal costs
  • Made from superior quality raw materials
  • Sustainable: 100% recyclable

Materials & care

Made from 125gsm, 100% recyclable double-wall corrugated cardboard. Store flat in a dry environment to maintain structural integrity.

Sizing & fit

Internal dimensions measure approximately 400 x 400 x 400 mm (16 x 16 x 16 inches). Wall thickness is between 6 and 7 mm. Please note that sizes may vary by a few millimeters due to machine tolerances.

Frequently asked questions

Are the dimensions internal or external?

The stated dimensions of 400x400x400 mm represent the internal dimensions of the box.

What is the wall thickness and construction of this box?

This box features a double-wall construction with a wall thickness between 6 mm and 7 mm, crafted from 125gsm corrugated cardboard sheets.

Is this mailing box recyclable?

Yes, it is made from 100% recyclable corrugated cardboard.

How are the boxes stored before use?

The boxes can be flat-packed for compact storage in warehouses or stockrooms without suffering wear and tear.

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