Halloween Envelopes | Spooky Coloured & Themed Mailing

For mailings that lean into the season. These Halloween envelopes come in deep black and orange with seasonal printed designs, working well for party invitations, children's cards, and creative brand campaigns that want to make something of the occasion. Available across sizes with gummed sealing.

Browse related: Colour Envelopes | Black Envelopes | Orange Envelopes

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More About "Halloween"

Halloween envelopes are curated in black, orange, deep green and dark purple — the classic Halloween palette. With over 60 products across over 50 sizes, the range provides everything needed to present halloween cards, invitations and correspondence without requiring custom print or bespoke colours.

C6 for party invitations and Halloween cards; DL for longer promotional inserts. Paper weights run from 70–350gsm. Closure options include gummed and peel & seal.

Benefits of Halloween Envelopes

Occasion-matched colours — black, orange, deep green and dark purple — the classic Halloween palette.
over 50 sizes — to match all standard card and invitation formats.
Paper weights 70–350gsm — for a quality result that complements the card inside.
Closure choice — gummed and peel & seal to suit personal and volume workflows.
Royal Mail compatible — standard sizes qualify within Royal Mail weight and size limits.

Frequently Asked Questions

What colours are used for Halloween envelopes?
Halloween envelopes focus on the classic seasonal palette: black, orange, deep green and dark purple. Black and orange are the strongest colour combination for Halloween visual impact at the letterbox. Deep purple and forest green add gothic character for premium invitations and spooky event mailings.

What are Halloween envelopes used for?
Halloween envelopes are used for party invitations, seasonal greeting cards, direct mail promotions and event announcements. They are popular with craft sellers, event planners, retailers running seasonal promotions and anyone sending physical Halloween-themed correspondence. C6 is the most common size for invitations; DL for longer promotional inserts and season greetings.

Are halloween envelopes compatible with Royal Mail?
Yes — standard sizes (C6, DL, C5) qualify as large letter within Royal Mail's weight and thickness limits. Always weigh a complete, sealed envelope before posting at volume — cards with multiple inserts may push the weight above the large letter threshold.

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What Our Customers Say

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Aimée Thompson

We ordered some branded envelopes for a client event and they were a perfect addition. Jess and the team were extremely accommodating and attentive throughout the ordering process, pushing our order through to meet the tight deadline. I really recommend this company for branded materials. Thank you team!

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Charlotte Goodman-Brooks

Great Customer Service

Unfortunately my order arrived damaged but after emailing the issue over to the company I received a quick response from Jess who was able to fix the problem in minutes, thanks so much jess, fantastic customer service, will definitely be ordering from this company again.

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Great Products, Quick Delivery

DPD were having issues delivering to my address and things were getting frustrating, but the company really stepped up. They sorted the problems with DPD quickly, the replacement arrived super fast, and they refunded my previous order without any hassle. Overall, I’m really impressed – amazing customer service, and I’ll definitely be ordering again!

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Grace

Proactive and Helpful

The courier let us down, but Jess and Kelly were hugely helpful and did everything they could to resolve it. They even arranged to specially stock products I order regularly to make future orders smoother. Great quality, good value and excellent customer service, with the phone answered on the first ring!

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Rebecca R

Really Easy Process

Really easy process to order some custom printed envelopes, James was so helpful and answered all my questions. The envelopes arrived on time and are really great quality, wouldn't hesitate to use this company again!

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Bernie Webber

Great Company To Buy From

Great company to buy from. Very helpful and communicative.

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Paul Craig

Prompt and Efficient Service

Very helpful staff directing me to exactly the right item needed.

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Richard

Fantastic Customer Service

Collection: Halloween

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