500 Hard Board Backed Envelopes A3 C3 Size 324x457mm Strong Mailers

Strong board backed protective packaging postal post mailing mailer envelopes

These high quality board backed envelopes are useful for the home or office. Ideal to protect any important documents or items sent through the post.

These envelopes come with an adhesive self seal lip, basically place your item inside, remove the strip on the flap and seal it, it couldn't be easier.