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    Fri 8:00am-5:30pm
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    Trust Pilot rating
  • 24-48 hour delivery FREE delivery for orders over £200*
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Order by reference
BEP250

Flat brown postal boxes

Up to 25% OffPrice saver
From  £0.71  ex. VAT per box
Enter a quantity
24-48 hour delivery
Quantity Unit price
50 + £0.95
100 + £0.71
200 + £0.71
500 + £0.71
1000 + £0.71
  • Integral lid and double reinforced sides
  • Suitable for A3 sized flat or low profile items
  • Secure edge protection & locking flap closure
  • Single wall rigid corrugated board, Kraft finish
  • Sold in packs, priced per box
Read more …
Product features
internal length mm430internal width mm310
internal height mm50mail formatsmall parcel
pack quantity50
Easifold brown, fast assembly postal boxes
Up to -20% NEW PRODUCTS
Easifold brown, fast assembly postal boxes
From £ 0.40 ex. VAT
Large brown postal boxes
Up to -30%
Large brown postal boxes
From £ 0.58 ex. VAT
Extra flat brown postal boxes
Up to -25%
Extra flat brown postal boxes
From £ 0.20 ex. VAT
Brown postal boxes
Up to -30%
Brown postal boxes
From £ 0.23 ex. VAT
200-300mm single wall cardboard boxes
Up to -35%
200-300mm single wall cardboard boxes
From £ 0.27 ex. VAT
Extra flat boxes with top opening and adhesive strip
Up to -30%
Extra flat boxes with top opening and adhesive strip
From £ 0.38 ex. VAT
Flat white postal boxes
Up to -25% PARTNERSHIP PRODUCTS
Flat white postal boxes
From £ 0.33 ex. VAT
A4 single wall boxes
Up to -35%
A4 single wall boxes
From £ 0.29 ex. VAT
Detailed description

Flat boxes ideal for posting products up to 50 mm thick

These A3 flat boxes are manufactured from single wall rigid flute corrugated board. The integral lid and double reinforced sides offer durable protection for your goods. Locking flap closure for quick assembly and easy to open cutaway finger hole. No need for glue or tape, when closed the box provides good edge protection. Available in brown and white Kraft finishes.

These flat postal boxes are suitable for sending flat A3 size paper, printed documents and other low profile products.

Delivered flat packed for easy assembly. All dimensions are internal mm.

To find the right box for your products, call us on 0800 542 44 28, talk to our packaging specialists and get next day delivery.

Sold in packs of 50, priced per box

Quantity Available in packs of 50 boxes. Want to order in bulk? See our discounts for 2 or more packs.

Size and shape options Perfect to contain A3 sized items these flat boxes measure 430x310mm (internal LxW) and are 50mm in height.

Weights and limits Double reinforced sides and great all round edge protection.

Materials Manufactured from single wall rigid flute corrugated board.

Environmental information RAJA postal boxes are 100% recyclable. On average our boxes are made from a minimum of 75% recycled fibres.

Delivery information Delivered flat-packed in packs of 50.

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Customer reviews
See all 31 customer reviews
Most recent customer reviews
Excellent product, will definitely use Rajapack again
By Chris on 18/08/19 18:25 - Verified Purchase by TrustPilot
Reference : BEP240
Haven't used them yet but they seem great and nice thickness. Came flatpacked.
By Jennifer on 10/08/19 11:17 - Verified Purchase by TrustPilot
Reference : BEP203
The boxes are top quality and easy to assemble
By Patrycja on 06/07/19 13:04 - Verified Purchase by TrustPilot
Reference : BEP205
We are delighted with the range of boxes on offer. the fact that they are available off the shelf in small quantities is a real bonus for a start up business. Lightweight and super easy to assemble.
By Jacqueline on 01/07/19 10:13 - Verified Purchase by TrustPilot
Reference : BEP203
boxes, brown, flat, excellent
By Richard on 20/05/19 09:24 - Verified Purchase by TrustPilot
Reference : BEP230
See all 31 customer reviews