310 x 220 x 16mm Brown Superflat Mailing Box B297 A4

BoxMoreSKU: BX-B297-25

Item Colour: Brown
Item Size: 310 x 220 x 16mm
Quantity: B297 x25
Sale price$21.90

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This 310 x 220 x 16mm Brown Superflat Mailing Box is made of quality kraft corrugated cardboard with more 50% recycled fiber. The Superflat A4 mailing box is designed to send your fragile items as a Large Letter with maximum protection. It is a A4 size rigid mailer in a box shape. We refined the details of the box over the years to make it perfect for high efficiency Pack and Send requirements.

More than 70% corrugated boxes are recycled and reused. In general, boxes and cartons have a much less environmental footprint than bubble padded mailers. Please choose a Right Box to Save Cost and Our Planet. Now we have 8 sizes of Superflat mailing boxes in Stock, range from 140mm ~ 350mm (width). 
  • Box Size: 310 x 220 x 16 mm(Internal Dimension)
  • Brand: Boxmore
  • Product Code: B297
  • Large Letter Size, High Quality Rigid Flat Mailer.
  • Colour: Brown Outside, Brown Inside
  • Printing: Plain Front & Back
  • Box Style: Self Locking, Diecut Folding
  • Perfect Condition is Guaranteed!

Large letters

A large letter is an article which exceeds at least one of the small letter dimensions and has the following characteristics:

  • rectangular in shape
  • no larger than 260mm x 360mm
  • no thicker than 20mm
  • does not weigh more than 500g.


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