C5 / A5 Envelope Stiffeners / Layer Pads - 228mm x 155mm

C5 / A5 Envelope Stiffeners - 228mm x 115mm

Our A5 PiP envelope size stiffeners provide a flexible way to further protect the contents of your envelopes. 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 Royal Mail Small / Standard Letter postage band.

Choose our strong C5 / A5Envelope Stiffeners / Layer Pads for Increased strength with your A5 mailings or select an envelope stiffener from our other sizes.

C5 / A5 Envelope Strengthener Specification:

Size: 228mm x 115mm C5 / A5 Envelope Stiffeners

Board Grade: 125T/125T E Flute

Weight: 15g appx