Halloween Mystery Box Email Template
Luna Haven · Halloween · Free HTML email template
About this template
FreeThis is a free halloween mystery box email template for halloween email — the "Luna Haven" design from the MailViewr template library, built in the Email Builder.
It opens with the headline "Open If You Dare.", and is made of 11 editable sections, driving readers to a single "Claim My Mystery Box" button.
Features
- Bold headline section: "Open If You Dare."
- Clear call-to-action button ("Claim My Mystery Box")
- 2-column layout built with tables, so it holds side by side in Outlook
- 5 image slots, swappable from your asset library
- Highlighted stats / key-number section
- Mobile-friendly layout that does not depend on media queries
Possible use cases
- Seasonal and flash sales
- Discount and coupon campaigns
- Black Friday / Cyber Monday promotions
- Limited-time offers
What this email says
Open If You Dare.
SELF-CARE RITUALS • SEASONAL EDITIONS
Our most mysterious self-care collection has arrived. Hidden inside are exclusive autumn skincare treats, cozy wellness essentials, spooky surprises, and limited-edition products available only until October 31. Once they're gone, this box disappears until next Halloween.
Every October Mystery Box is thoughtfully curated with premium wellness favorites and exclusive seasonal finds. Expect rich pumpkin-inspired skincare, warm aromatherapy, comforting tea blends, and surprise gifts you won't find anywhere else. Each box is valued at over $110, yet yours is available for just $69.
Rich enzymes help leave your skin soft, smooth, and radiant.
Notes of cedarwood, vanilla, and smoky amber for cozy evenings.
Comforting herbal infusion crafted for peaceful autumn nights.
Relax with mineral salts, botanicals, and comforting seasonal scents.
742 Willow Street, Portland, OR 97205
Call to action: “Claim My Mystery Box”
Placeholder copy — every line is editable in the Email Builder.
Frequently asked questions
Is the Luna Haven - October Mystery Box email template free?
Yes. Luna Haven - October Mystery Box is free to open and customize in the MailViewr Email Builder. Downloading the HTML from this page needs a Plus or Pro plan.
What's included in this halloween mystery box email template?
It opens on "Open If You Dare." and contains 11 editable sections, 5 image slots, a "Claim My Mystery Box" call-to-action button. Every one of them is editable without touching code.
When should I send a halloween mystery box email?
Seasonal and flash sales, Discount and coupon campaigns, Black Friday / Cyber Monday promotions — this template is built for halloween email, so it suits those sends without restructuring the layout.
Can I use this halloween template with Mailchimp, Klaviyo or Brevo?
Yes. The template exports as standard, self-contained HTML that you can paste or upload into any email service provider that accepts custom HTML.
Will it display correctly in Outlook and Gmail?
The layout is built with tables and inline styles and does not rely on media queries, which Outlook ignores and some Gmail apps strip. You can verify it yourself with MailViewr's email preview before sending.
Do I need to know HTML to edit it?
No. Open it in the Email Builder and edit text, images, colors and buttons visually. The HTML is generated for you.