• 0800 542 44 28 Mon-Thurs 8:00am-6pm,
    Fri 8:00am-5:30pm
  • Buying in bulk? FREE no obligation quotes
  • 4,4/5
    Trust Pilot rating
  • 24-48 hour delivery FREE delivery for orders over £200*
logo raja 0800 542 44 28
£0.00 0 products
Order by reference
MBD01BS

Extra flat brown postal boxes with adhesive strip 140x90x20mm

Up to 25% OffNew products
From  £0.24  ex. VAT per box
Enter a quantity
24-48 hour delivery
Quantity Unit price
50 + £0.32
100 + £0.28
200 + £0.27
500 + £0.25
1000 + £0.24
  • Fits Royal Mail post boxes & household letter boxes
  • Economise on your postal costs
  • Time saving adhesive sealing strip
  • Delivered flat packed for easy assembly
  • Sold in packs of 50, priced per box
Read more …
Product features
colourbrowninternal length mm140
internal width mm90internal height mm20
mail formatlarge letterpack quantity50
Extra flat white postal boxes
Up to -25%
Extra flat white postal boxes
From £ 0.22 ex. VAT
MediaWrap boxes with integrated foam panel
Up to -25%
MediaWrap boxes with integrated foam panel
From £ 0.87 ex. VAT
Long brown postal boxes
Up to -20%
Long brown postal boxes
From £ 0.70 ex. VAT
Returnable wraparound media boxes
Up to -30%
Returnable wraparound media boxes
From £ 0.45 ex. VAT
Fastobox brown, fast assembly postal boxes
Up to -20%
Fastobox brown, fast assembly postal boxes
From £ 0.59 ex. VAT
Standard brown panel wrap book boxes with an adhesive strip
Up to -30%
Standard brown panel wrap book boxes with an adhesive strip
From £ 0.63 ex. VAT
Detailed description

Extra flat boxes for posting items up to 20 mm thick

Especially formatted to fit standard Royal Mail post boxes and household letter boxes these extra flat postal boxes have been manufactured in micro-flute with a time saving adhesive strip.

These boxes allow you to send your small volume and flat products whilst economising on your postal costs. 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.

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

Size and shape options These extra flat cardboard postal boxes start at 140x90mm (LxW) and go up to 305x220 mm (LxW). All height measurements are 20mm.

Weights and limits These boxes provide ideal protection for light and flat products.

Materials Manufactured from microflute.

Delivery information Delivered flat-packed in packs of 50.

  • 
Recycled_70_gb_GB
  • 
Recyclable_gb_GB