Glassine Envelopes | Translucent Paper Envelopes for Stamps & Seeds

Translucent, grease-resistant and naturally elegant. Glassine envelopes are made from super-calendered paper that is smooth, dense and semi-transparent, making them the preferred choice for storing and displaying stamps, seeds, photographs, small prints and delicate flat items where visibility and protection both matter.

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1 product

Eco Product

Glassine Biodegradable Envelopes

From £0.11

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More About "Glassine Envelopes"

Glassine Envelopes are defined by translucent glassine paper. With 1 products in the range, they are used for stamps, photos, negatives, archival storage where standard envelopes or packaging would not deliver the same level of presentation or function.

Available in over 20 sizes including Square - 40 x 40mm, 75 x 55mm, Square - 60 x 60mm, 95 x 60mm, 165 x 65mm and more, at 50gsm paper weight. Closure: peel & seal.

Benefits of Glassine Envelopes

Distinctive construction — translucent glassine paper that differentiates from standard formats.
Size range — over 20 sizes to match your specific application.
Quality stock — 50gsm for a premium result.
Royal Mail compatible — qualifies as letter within standard weight limits.

Frequently Asked Questions

What are glassine envelopes best used for?
Glassine Envelopes are the preferred choice for stamps, photos, negatives, archival storage. The translucent glassine paper gives them a distinctive appearance or function that standard envelopes cannot replicate.

What sizes are available?
Glassine Envelopes are available in over 20 sizes: Square - 40 x 40mm, 75 x 55mm, Square - 60 x 60mm, 95 x 60mm, 165 x 65mm, 92 x 68mm and more. Check individual product pages for full dimensions and capacity guidance.

Are they compatible with Royal Mail?
Yes — standard sizes qualify as letter within Royal Mail's size and weight limits. Always confirm weight and thickness with each specific size before committing to a postage format.

Customer Feedback

What Our Customers Say

See why we’re trusted as by thousands of UK businesses for packaging and envelopes through our customer reviews.

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Envelope Printing Customer

Branded envelopes that felt event-ready

We needed branded envelopes for a client event and they looked exactly right. The team were helpful from start to finish and made sure everything moved quickly so we could meet our deadline. A really smooth experience for printed envelopes.

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Envelope Customer

Quick fix after an order issue

My order arrived with a problem, but after I emailed the team I received a quick response and the issue was sorted straight away. It was handled professionally and made me feel confident about ordering again.

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First Time Customer

Fast support when delivery went wrong

There was an issue with the courier delivering to my address, but the team dealt with it quickly and kept things moving. A replacement was arranged and the previous order was refunded without any fuss. It gave me a good first impression and I would order again.

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Wholesale+ Member

Reliable support for regular orders

The courier caused a problem, but Jess and Kelly were quick to help and did everything they could to sort it. They also looked at the products I order regularly and helped make future orders easier. Good value, good quality and service that feels genuinely useful.

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Envelope Printing Customer

Easy custom printed envelope order

Ordering custom printed envelopes was straightforward from the start. James answered my questions clearly, the order arrived when expected and the finished envelopes were great quality. I would be happy to use the service again.

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Wholesale+ Member

Helpful and easy to deal with

A very straightforward company to buy from. The team were helpful, clear with communication and easy to deal with, which makes a big difference when ordering packaging regularly.

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Sample Customer

Helpful advice before ordering

The team helped point me towards the right product before I placed my order. It made the decision much easier and gave me confidence that I was choosing the right packaging for what I needed.

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Packaging Customer

Useful support for flat pack cartons

Collection: Glassine Envelopes