For low‑profile items, an A3 flat mailing box keeps contents snug and prevents bending in transit. These A3 mailing boxes are made from recyclable cardboard and sized to work within Australia Post parcel guidelines for local and national deliveries.
Sustainability | Recyclable, Compostable, Biodegradable |
Type | Die -Cut Cardboard Boxes |
Style | Roll End Front Tuck with Dust Flaps |
Customization Options | Custom sizes available, max. size is 1,000mm (H x W x L) |
Base Material | Kraft , White , Black |
Material Stock Weight | Variable |
Material Stock Flute | E Flute /B Flute |
GSM | 120 to 200Â GSM |
Recycled Fiber Content | 40% |
Certification | FSC-Certified |
Color Printing Options | Single Colour , CMYK |
Ink Type | Soy Ink |
Print Process | Digital Printing |
Print Options | Inside Only, Outside Only, Inside & Outside |
Product SKU | ECO-DCCB1 |
Internal dimensions are chosen so A3 sheets, posters and product boxes sit flat without being crushed or overly loose. This makes each A3 mailing box style perfect for shipping artwork, presentation packs and bulk A3 paper.
Box sizes are aligned with mailing and parcel box brackets, similar to BX4/BXP4 A3‑style cartons. Our A3 mailing box compatible carton helps you stay within size and weight guidelines for Parcel Post and Express services.​
They are A3 mailing boxes used to post A3 documents, prints, catalogues and products that need more protection than envelopes or tubes.​
An A3 flat mailing box is a shallow carton made to keep A3 items flat and supported, ideal for prints, photos and slim products.​
Most A3 size mailing box designs follow AusPost parcel size rules and are similar to official A3 mailing box formats like BX4/BXP4.​
Yes. They are made from corrugated cardboard that can be flattened and recycled through kerbside recycling streams.​
Typically A3 mailing boxes are larger than AusPost’s largest satchel and are sent as boxes rather than inside a satchel.​
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.
These A3 mailing boxes provide snug, flat-packing for A3 prints, catalogues or products, combining sturdy corrugated board, simple assembly and ample exterior space for shipping labels, branding and handling instructions.
