





Dark Red Premium Peel and Seal 160gsm Envelopes
Premium 180gsm Material
Smooth Wove Finish
Peel and Seal Closure
High End Mailing Essential
Here’s a handy list of the most common C sizes and how they relate to A paper sizing.
Please note that all our product sizing refers to the is internal measurement of the envelope.
C Name | Size (mm) | Paper Size |
---|---|---|
C0 | 917 x 1297 | A0 |
C1 | 648 x 917 | A1 |
C2 | 458 x 648 | A2 |
C3 | 324 x 458 | A3 |
C4 | 229 x 324 | A4, A3 folded in half |
C5 | 162 x 229 | A5, A4 folded in half |
C6 | 114 x 162 | A6, A4 folded in four parts |
C7 | 81 x 113 | A7, A5 folded in four parts |
C8 | 57 x 81 | A8 |
C9 | 40 x 57 | A9 |
C10 | 28 x 40 | A10 |
Still Need Help? Read our comprehensive guide to envelope sizes, closures and the types of envelopes you can buy.
Your Complete Guide to Envelope Sizes, Types & Closures
Alternatively get in touch with one of the team at hello@lempac.com and we'll be happy to help.
These dark red gusset envelopes are the ideal solution if you are looking to post more bulky items or documents - the expanding sides are ideal for holding more than the conventional envelope, and the Peel and Seal strip makes for an easy closure, saving you time and effort. These envelopes are manufactured with a 160gsm paper making them lightweight for shipping, but remaining a strong, durable and reliable envelope. As these envelopes are produced with paper, they are 100% recyclable and plastic-free, making them the perfect choice if you and your business are looking to be more eco-conscious.
Hear from Our Customers
See why we’re trusted as Europe's go-to envelopes supplier.A great online shop, just what you want, easy to find, easy to use. I didn't jump here first but now wish I had for sure. Prices are excellent too, am delighted with the professional finish and will recommend and use from now on.
Really excellent friendly customer service and product (biodegradable transparent bags) is first class. Delivery super speedy. Highly recommended. Thank you
I purchased some flat pack cartons but was unsure how to assemble them. I sent an email asking for help & promptly, a very helpful young lady created an extremely helpful, bespoke video for me to show how to do it.
Very simple website to use, good quality, well packed and very quick.
Easy to use website and fast delivery
Great and fast delivery, thank you!
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