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A3 Mailing Boxes

220x160x77mm

Out of stock
Kraft Die Cut Mailing Boxes

Australia Post Mailing Boxes

Mailing Tubs

Mailing Tubes

Out of stock
Black Die Cut Mailing Boxes

390x280 x140mm

Out of stock
125x100x75

125x100x75mm

Out of stock

270x100x120mm

Out of stock
  • Product Type: A3 Mailing Boxes
  • Alternative Name: A3 flat mailing box
  • Standard Fit: A3 size mailing box
  • Material: 100% recycled corrugated paper
  • Eco Features: Compostable and recyclable
  • Origin: Made in Australia
  • Colour Options: White, Black and Kraft
  • Shipping Compatibility: Suitable for Australia Post A3 mailing box requirements
  • Printing Option: Custom logo printing available
  • Usage: Documents, posters, artwork, flat retail products
  • Premium quality A3 Mailing Boxes for flat shipping
  • Designed as an A3 flat mailing box to prevent bending
  • Accurate A3 size mailing box fit for documents and artwork
  • Suitable as an Australia Post A3 mailing box
  • Made from 100% recycled paper
  • 100% recycled products
  • Compostable and recyclable material
  • Made in Australia
  • Strong corrugated construction for extra protection
  • Available in white, black and kraft finishes
  • Logo printing available for business branding
    • 1. What are A3 Mailing Boxes used for?
     A3 Mailing Boxes are designed for sending large flat items such as artwork, posters, certificates, and important documents without folding.

    2. Is this an A3 flat mailing box or a regular carton?
     This is a specially designed A3 flat mailing box that keeps contents secure and flat during shipping.

    3. Does the A3 size mailing box fit standard A3 documents?
     Yes, it is designed to properly fit standard A3 paper size while providing protective support.

    4. Can I use it as an Australia Post A3 mailing box?
     Yes, it is suitable for Australia Post shipping, depending on weight and parcel dimensions.

    5. Are these A3 mailing boxes eco-friendly?
    Yes, they are made from 100% recycled paper, are compostable, and manufactured in Australia.
    A3 Mailing Boxes

    A3 Mailing Boxes

    Fast Turnaround & Proofing available on all Orders

    A3 Mailing Boxes are cardboard cartons designed around A3 dimensions, giving enough room for A3 documents, catalogues or products plus protective padding. Each A3 size mailing box ships flat and assembles quickly, making it ideal for regular office, print shop and ecommerce use.

    • Made From 100% Recycled Paper
    • Logo Printing Available
    • Made in Australia Box
    • 100% Recycled Products
    • Size – Internal
    • Compostable

    Original price was: $200.00.Current price is: $190.00.

    (Inc GST)

    Shipping Calculated at Checkout

    Quantity Discount Price/Carton
    1 — 30% Off$190.00$3.80 / Carton
    4 — 65% Off$180.50$3.61 / Carton
    7 — 97% Off$176.70$3.53 / Carton
    10+10% Off$171.00$3.42 / Carton
    or

    Eco-Friendly

    A3 Mailing Boxes

    • Logo Printing Available
    • Made from 100%
      Recycled Paper
    • Compostable
    • 100% Recyclable
      Product
    • Size – Internal
    • Made in
      Austrailia Box

    Buy A3 Mailing Boxes for Safe Flat Shipping

    A3 mailing boxes are designed for sending large flat items safely without folding or damage. An A3 flat mailing box is ideal for documents, artwork, posters, prints, certificates and books that need to stay flat during delivery. These boxes are made from strong cardboard to help protect contents from bending, creasing or impact while in transit.

    A3 Size Mailing Boxes for Australia Post & Couriers

    Many businesses choose an Australia Post A3 mailing box style because it works well with local postal and courier services. These boxes are easy to assemble, simple to label and suitable for both domestic shipping and storage. A3 mailing boxes are a practical and reliable packaging solution for anyone needing safe flat shipping in Australia.

    Strong A3 Flat Mailing Boxes for Documents & Prints

    An A3 size mailing box offers a snug fit for A3 papers and products, with enough space for light padding when needed. They are commonly used by offices, printers, schools and eCommerce businesses that ship flat items regularly. The sturdy design helps keep items secure and gives parcels a professional look when delivered to customers.

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