Brilliant White Conqueror Envelopes

Made From 120gsm Material

Wove, Laid & Smooth Options

Peel and Seal Closure

Premium Office Essential

Size Guide

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.

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114 x 162mm

162 x 229mm

110 x 220mm

Custom Printing Available > Personalised Designs with Fast Turnaround Free Sample Service > Try Before You Buy

Brilliant White Conqueror Envelopes are premium-quality, smooth-wove envelopes designed for professional use. They are made from 120gsm paper, offering both durability and a polished appearance. These envelopes feature a peel-and-seal closure for convenience and are available in a variety of sizes, making them perfect for formal invitations, business correspondence, or important documents. Their brilliant white finish ensures a clean, elegant look. Ideal for anyone seeking a high-quality envelope with a professional touch.

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See why we’re trusted as Europe's go-to envelopes supplier.

BeverleyVerified Review

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.

EmmaVerified Review

Really excellent friendly customer service and product (biodegradable transparent bags) is first class. Delivery super speedy. Highly recommended. Thank you

RichardVerified Review

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.

GailVerified Review

Very simple website to use, good quality, well packed and very quick.

KateVerified Review

Easy to use website and fast delivery

JohnVerified Review

Great and fast delivery, thank you!

Who Are Lempac?

Lempac provides premium envelope and packaging solutions for every size of business. With over 20 years experience and industry specific product knowledge our specialist team can deliver a sustainable, value-added service to all our customers in the European market. Our team works hard to ensure your experience with Lempac is both enjoyable and productive. Whatever we do, we strive to deliver “excellence without compromise”.

Brilliant White Conqueror Envelopes

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