Halloween Envelopes | Spooky Coloured & Themed Mailing – Page 3

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

60 products

White & Green Fancy Paper Lined Envelopes

From £0.44

Claret Textured Envelopes

From £0.18

Find Out What Our Customers Are Viewing

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.

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.

Black and white photo of a person with long hair against a plain background

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.

Woman with long brown hair wearing a beige top against a plain background

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.

Man in a suit with a blurred green outdoor background

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.

Woman wearing a yellow sweater with a plain background

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.

Woman with gray hair wearing a blue top against a light gray background

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.

Man wearing a light gray sweater over a collared shirt on a plain background

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.

Man wearing a dark suit with a red tie against a plain background

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.

Man in a suit smiling outdoors with a blurred background

Packaging Customer

Useful support for flat pack cartons

Collection: Halloween

Filter