C3 / A3 Envelope Stiffeners / Layer Pads - 439mm x 309mm
- Product Code: STIFF-C3#
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C3 / A3 Envelope Stiffeners - 439mm x 309mm
(Double Wall Envelope Stiffeners)
Our A3 envelope size stiffeners provide a flexible way to further protect the contents of your envelopes and our C3 / A3 Size ParcelMax Mailers. You can choose to include them for the more delicate items you are posting or leave them out if they take your item into a higher postage band.
Choose our extra strong double wall C3 / A3 Envelope Stiffeners / Layer Pads for Increased strength with your A3 mailings or select an envelope stiffener from our other sizes.
C3 / A3 Envelope Strengthener Specification:
Size: 439mm x 309mm C3 / A3 Envelope Stiffeners
Board Grade: 125T/125T EB Flute (Double Wall)
Weight: 86g appx
Shipping Rates & Upgrades
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