Not all envelopes are small. Our C3 envelopes are a great way to send large documents or items, such as A3 posters, maps, or blueprints.
Available across many of our envelope ranges and in a vast amount of colour options our C3 envelopes typically come in the size of 450 x 350mm but can sometimes vary slightly.
Browse our C3 envelopes below.
Available across many of our envelope ranges and in a vast amount of colour options our C3 envelopes typically come in the size of 450 x 350mm but can sometimes vary slightly.
Browse our C3 envelopes below.