350 x 255 x 125mm A4 Regular White Shipping Carton B939 (3KG Cubic)

SKU: B939-25

  • Internal 350 x 255 x 125mm
  • Fits A4
  • C-flute board
  • Australian made
  • FSC certified
  • Ships flat
Pack size: Regular x 25
Price:
Sale price$29.50
$1.18 each

Tax included Shipping calculated at checkout

  • 90-day returns on unopened items
  • Australian made
  • Prices include GST
  • Pickup or fast delivery

Pickup available at Minto Sydney

Usually ready in 1 hour

Delivery

  • Sydney & Melbourne metroFree over $500
  • Wollongong$50 flat rate
  • Gosford & Newcastle$75 flat rate

Flat rates cover orders up to 2 tonnes.

Need a different size?

Custom cartons from 1,000 units, made in around 2 weeks.

Get a quote →

Description

Made in Australia, our B939 white shipping carton measures 350 x 255 x 125mm internally, sized for A4 items. It is white on the outside with a natural brown interior. Made from C-flute corrugated board in a regular slotted carton (RSC) style, it folds flat for storage and seals with packing tape for strong, everyday protection in transit. It is sized to stay under Australia Post's 3kg cubic weight threshold, helping keep parcel postage down.

Key Features

  • Australian made: Produced locally in Australia, supporting Australian manufacturing with reliable local supply.
  • Regular slotted carton (RSC): A classic shipping carton design that ships flat, folds up quickly and seals with packing tape.
  • C-flute corrugated board: A thicker flute with extra cushioning and stacking strength for heavier and bulkier orders.
  • White outside, brown inside: A clean white exterior that looks professional and suits labels and branding stickers.
  • Internal size 350 x 255 x 125mm (A4): Measured inside the carton, suited to A4 documents, books, folded clothing and multi-item orders.
  • Under 3kg cubic weight: Sized to stay under Australia Post's 3kg cubic weight threshold.
  • 100% recyclable and FSC certified: Made from 100% recyclable corrugated board from FSC-certified sources, so it can go straight into paper recycling.
  • 90-day money-back guarantee: Backed by the eBPak 90-day money-back guarantee.

Specifications

Product code B939
Internal dimensions (L x W x H) 350 x 255 x 125mm
Paper size fit A4
Box style Regular slotted carton (RSC)
Colour White outside, brown inside
Board C-flute corrugated board
Country of manufacture Australia
Cubic weight Under 3kg (Australia Post)
Recyclable 100% recyclable
Certification FSC certified
Pack sizes 25, 50 or 100 cartons
Guarantee 90-day money-back guarantee

Ideal For

  • E-commerce orders and online-store dispatch
  • A4 documents, books and stationery
  • Folded clothing and multi-item orders
  • Keeping Australia Post parcel costs down
  • Small business and warehouse shipping

Custom Sizes, Made in Australia

Need a different size? Because our regular cartons are made locally, we can produce shipping cartons to your exact dimensions — from 1,000 units, with a turnaround of around 2 weeks. Get a quote for custom boxes and cartons.

Browse the full range of White Regular Boxes or our Australian Made Packaging.

  1. Open the flat carton into a tube.
  2. Fold in the two short bottom flaps, then the two long flaps.
  3. Tape along the bottom seam with 48mm packaging tape. For heavy items, also tape across both ends (H-taping).
  4. Pack your items and fill any gaps with void fill or bubble wrap.
  5. Close the top flaps the same way and tape the seam.
  • Free delivery to Sydney & Melbourne metro on orders over $500.
  • $50 flat rate to Wollongong areas and $75 to Gosford & Newcastle areas (up to 2 tonne).
  • Australia-wide delivery via Australia Post and trusted couriers.
  • Free pickup from Minto NSW or Braeside VIC, Mon–Fri 9am–4pm.
  • 90-day returns on unopened items. See our refund policy.

Payment & Security

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Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

350 x 255 x 125mm A4 Regular White Shipping Carton B939 (3KG Cubic)

Sizing

What fits in this box

Inside: 350 x 255 x 125mm (length x width x height)

  • A4 documents, folders and books lie flat
  • About 11.2 litres of space inside
  • Delivered flat, folds into shape in seconds
  • Sizes are inside measurements. Allow 5–10mm each side for bubble wrap or padding.
  • Not sure? Use the size finder below or call us on (02) 8750 5347.

More regular shipping cartons

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Size finder

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Packing essentials

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Questions about this box

Is the size inside or outside the box?

All sizes are internal (length x width x height), measured inside the box. The outside is a few millimetres bigger because of the board thickness.

What does the pack size mean?

The pack size is how many boxes come in one pack, for example x25 is a pack of 25 boxes. "Number of packs" sets how many packs you get, so x25 with 2 packs is 50 boxes.

Are the boxes delivered flat?

Yes. Regular cartons are delivered flat to save space and fold into shape in seconds.

How do I seal the box?

Use 48mm packaging tape along the top and bottom seams. For heavy items, also tape across both ends. See "How to fold & seal" above.

Can I return the boxes?

Yes. We offer 90-day returns on unopened items. See our refund policy.

Can I pick up my order?

Yes. Choose pickup at checkout and collect from Minto NSW or Braeside VIC, Monday to Friday 9am to 4pm.

Can you make a custom size?

Yes. Custom cartons start from 1,000 units and take around 2 weeks. Get a quote.

Do you offer bulk pricing?

Yes. Bigger packs cost less per box, and pallet quantities cost less again. See our bulk deals.

Customer Reviews

Overall rating: 5.0 / 5 from 1 reviews.

Need it today? Pick it up.

Order online and we'll usually have it ready in 15–30 minutes at either warehouse.

NSW
Sydney — Minto
Unit 2, 1 Swaffham Road, Minto NSW 2566
Mon–Fri 9am–4pm · Sat–Sun closed
Get directions
VIC
Melbourne — Braeside
21–23 Endeavour Way, Braeside VIC 3195
Mon–Fri 9am–4pm · Sat–Sun closed
Get directions

Talk to our team

Call us on (02) 8750 5347

Fast delivery Australia-wide

Via Australia Post and trusted couriers

Pickup in Sydney & Melbourne

Minto NSW and Braeside VIC

90-Day Returns

On unopened items