C3 Envelopes
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.
Showing 17 products
![Black Matt Finish Bubble Bag Mailers](http://www.lempac.co.uk/cdn/shop/files/Black-Matt-Finish-Bubble-Bag-Mailers-Matt-Finish-Bubble-Bag-Mailers-Lempac.jpg?v=1691657134&width=480)
From £0.55
Black Matt Finish Bubble Bag Mailers
![Black Premium Peel and Seal 180gsm Envelopes](http://www.lempac.co.uk/cdn/shop/files/Black-Premium-Peel-and-Seal-180gsm-Envelopes-Premium-180gsm-Envelope-Lempac.jpg?v=1691656565&width=480)
From £0.38
Black Premium Peel and Seal 180gsm Envelopes
![Silver Matt Finish Bubble Bag Mailers](http://www.lempac.co.uk/cdn/shop/files/Silver-Matt-Finish-Bubble-Bag-Mailers-Matt-Finish-Bubble-Bag-Mailers-Lempac.jpg?v=1691657248&width=480)
From £0.58
Silver Matt Finish Bubble Bag Mailers
![Black Metallic Finish Bubble Bag Mailers](http://www.lempac.co.uk/cdn/shop/files/Black-Metallic-Finish-Bubble-Bag-Mailers-Metallic-Finish-Bubble-Bag-Mailers-Lempac.jpg?v=1703160358&width=480)
From £0.52
Black Metallic Finish Bubble Bag Mailers
![Silver Metallic Finish Bubble Bag Mailers](http://www.lempac.co.uk/cdn/shop/files/Silver-Metallic-Finish-Bubble-Bag-Mailers-Metallic-Finish-Bubble-Bag-Mailers-Lempac.jpg?v=1703161194&width=480)
From £0.66
Silver Metallic Finish Bubble Bag Mailers
![White Premium Peel and Seal 180gsm Envelopes](http://www.lempac.co.uk/cdn/shop/files/White-Premium-Peel-and-Seal-180gsm-Envelopes-Premium-180gsm-Envelope-Lempac.jpg?v=1691656572&width=480)
From £0.29
White Premium Peel and Seal 180gsm Envelopes
![Red Metallic Finish Bubble Bag Mailers](http://www.lempac.co.uk/cdn/shop/files/Red-Metallic-Finish-Bubble-Bag-Mailers-Metallic-Finish-Bubble-Bag-Mailers-Lempac.jpg?v=1691657222&width=480)
From £0.81
Red Metallic Finish Bubble Bag Mailers
![Silver Metallic Finish Foil Envelopes](http://www.lempac.co.uk/cdn/shop/files/Silver-Metallic-Finish-Foil-Envelopes-Metallic-Foil-Envelopes-Lempac.jpg?v=1691657704&width=480)
From £0.25
Silver Metallic Finish Foil Envelopes
![Black Metallic Finish Foil Envelopes](http://www.lempac.co.uk/cdn/shop/files/Black-Metallic-Finish-Foil-Envelopes-Metallic-Foil-Envelopes-Lempac.jpg?v=1691657530&width=480)
From £0.12
Black Metallic Finish Foil Envelopes
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