Packaging Ideas & Envelope Printing Guides | News

A plain-English UK guide to envelope gsm: what the number means, which paper weights suit which mailings, how weight affects show-through, print quality and Royal Mail postage, and when gsm is the wrong question entirely.

Everything you need to prepare artwork for custom printed envelopes: file formats, 300dpi resolution, CMYK colour, defined print areas, and why there is no white ink.

Yes, most paper envelopes are kerbside recyclable in the UK. A practical guide to eco-friendly envelopes, mailing bags, water-based printing and greener packaging choices.

Paper mailing bags or poly mailers? A clear UK guide comparing cost, protection, recyclability and branding to help you pick the right e-commerce packaging.

Gummed, self seal and peel and seal envelopes all close in different ways, and the one you choose affects speed, security, shelf life and cost. Here is a plain English guide to the three main UK envelope closures, plus which suits your business.

Board-backed, padded or pillow? A practical UK guide to choosing the right protective mailer for your product, keeping items safe in the post and staying inside Royal Mail's Large Letter limits.

A clear UK guide to standard envelope sizes, covering C4, C5, C6 and DL dimensions, what each holds and how size affects your Royal Mail postage.

Confused by Royal Mail's Letter and Large Letter formats? Learn the exact size and weight limits and pick envelopes that keep your postage costs down.

Custom printed envelopes help businesses make a stronger first impression, reinforce brand identity, and turn everyday mail into a marketing touchpoint. Here's why they're worth the switch.