310 x 220 x 16mm A4 Superflat Mailing Box B21

BoxMoreSKU: BX-B21-25

Item Colour: White
Item Size: 310 x 220 x 16mm
Quantity: B21 x25
Sale price$20.90

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Pickup available at Melbourne (Braeside 3195)

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This 310 x 220 x 16mm A4 Superflat Mailing Box is made of quality kraft corrugated cardboard with more 50% recycled fiber. The Superflat A4 mailing box is one of our Signature Products. The superflat mailing boxes are designed to send your fragile items as a Large Letter with maximum protection. It is a special Rigid Mailer in a box shape. You will not have to pay higher prices for superior quality. 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.  We have 8 Sizes Superflat mailing boxes in Stock, range from 140mm ~ 350mm (width). Please choose a Right Box to Save Cost and Our Planet.
  • Size: 310 x 220 x 16 mm(Internal Dimension)
  • Large Letter Size,High Quality Rigid Flat Mailer.
  • Colour: White 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.


Need A Sample for Testing?

Now you can order the samples from our Store as well. It is Fast and Easy. Most importantly, please remember to contact us after you purchase the Samples, to get your $10 Discount Coupon. 

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