





















Rectangular Labels
Made From 68gsm Material
Recycled Paper
Strong Sticky Backed
Perfect For Writing On
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 sales@postalpackaging.com and we'll be happy to help.
Our rectangular adhesive labels are the perfect eco-friendly solution for both personal and business use. Made from 100% recycled and biodegradable Kraft or white paper, these labels are designed for crisp printing and strong adhesion, compatible with both laser and inkjet printers. Ideal for address, shipping, and product labeling, they come in various sizes per A4 sheet, ensuring a versatile and sustainable option for all your labeling needs. Durable and lightweight, these labels provide high-quality performance while helping reduce your environmental footprint.
Hear from Our Customers
See why we’re trusted as the UK’s go-to for packaging and envelopes from verified Trustpilot reviews.A proper 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!
Free Shipping On Your First Order*
Sign up to be the first to hear about our new product releases, sale events plus enjoy Free Shipping on your first purchase.