310 x 220 x 16mm Black Superflat Mailing Box A4

BoxMoreSKU: BX-B279-25

Item Colour: Black
Item Size: 310 x 220 x 16mm
Quantity: B279 x25
Sale price$23.50

Shipping calculated at checkout

Unit Prices in AUD / Excluding 10% GST, calculated at checkout.

Pickup available at Minto Sydney

Usually ready in 2 hours


This 310 x 220 x 16mm Black A4 Superflat Mailing Box is made of quality kraft corrugated cardboard with more 50% recycled fiber. This Superflat A4 mailing box is one of our Signature Products. The superflat mailing box is designed to send your fragile items as a Large Letter with maximum protection. It is a 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. 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: B279
  • Large Letter Size, High Quality Rigid Flat Mailer.
  • Colour: BLACK Outside, Brown Inside
  • Printing: Plain Front & Back
  • Box Style: Self Locking, Diecut Folding
  • 100% Recycable Product
  • 365 Days eBPak Money Back Guarantee


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.

Estimate shipping

Payment & Security

Apple Pay Google Pay JCB Mastercard PayPal Shop Pay Visa

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

You may also like