RAJAPOST A3 Postal Boxes

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High-quality A3 postal boxes made from rigid flute corrugated cardboard
Locking flap and triple-layered on the sides for maximum protection in transit
Available in a brown or white finish
Available in four sizes
Sold in packs, priced per box

Learn more

Find this product on page(s) 53, 68 of the general catalogue

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A collection of our postal boxes suitable for A3 size items

Designed specifically for A3 sized items, A3 postal boxes offer an exceptional solution for shipping and storing materials such as papers, documents, brochures, and even smaller items like photographs. Each box ensures contents are well-protected during transit, mitigating the risk of damage and ensuring quality delivery.

The high-quality construction of these boxes reflects a commitment to reliable packaging. Made from rigid, flute corrugated board, these A3 postal boxes are more lightweight than double walled A3 boxes yet provide optimal protection through their triple thickness on the sides. Ship your items with confidence - the sturdy support ensures your packages stay safe without adding extra weight. These boxes are available in white and classic Kraft brown finishes, catering to different aesthetic preferences - whether for gifting or postal needs.

A3 postal boxes are fully recyclable, aligning with the priorities of eco-conscious businesses and their packaging needs. To ensure you can find the right size, RAJA also offers A4 postal boxes and A5 postal boxes in popular sizes and styles to suit you.

How to use

Assemble quickly using the integral locking flap to securely close the box.
For extra security during shipping, apply packaging tape or strapping to ensure the box remains closed.
Store A3 postal boxes flat-packed in a cool, dry place to prevent damage before use.

Ideal applications

Efficiently ship marketing materials like flyers and brochures.
Store important documents, photos, or certificates that need added protection.
Package smaller electronic devices or other products that fit A3 dimensions securely.
Ideal for e-commerce businesses needing reliable and secure shipping solutions.

Product FAQs

What size is an A3 mailing box?

An A3 mailing box measures 420 x 297 mm (L x W), making it suitable for documents or other flat items designed to fit within these dimensions.

What can fit in an A3 postal box?

These boxes can hold A3 sized documents, larger books, photographs, and various small goods, ensuring safe transport.

Are these boxes recyclable?

Yes, A3 postal boxes are crafted from recyclable materials, promoting responsible disposal after their use. Check local recycling guidelines for further information.

Discover our vast selection tailored to suit every packaging need, including e-commerce postal boxes, A4 boxes and A5 boxes. For expert advice on selecting the appropriate packaging solutions, order online or contact RAJA UK today. Don’t miss the opportunity to check out other products in our range and benefit from bulk discounts and next day delivery on a huge variety of our packaging products!