---
title: "Mail Open Icon | Free Download PNG & SVG | Lucide Line"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/mail-open--29182
canonical_url: "https://www.streamlinehq.com/icons/download/mail-open--29182"
summary: "Clean line icon of an open envelope with a visible inner flap. Used for email, messages, and inboxes."
---

# Mail Open icon

The Mail Open icon shows a rounded envelope outline with an open inner flap. Drawn in the line style on a 24px grid with a 2px stroke so it stays clear at small sizes. Use it for email compose screens, message previews, inboxes, and mail status controls. It belongs to Lucide Line free set in the Lucide family.

## Preview

![Clean line icon of an open envelope with a visible inner flap. Used for email, messages, and inboxes.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/all-icons/mail-open-772eb.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Mail Open
- **Type**: Icon
- **Set**: [Lucide Line](/icons/lucide-line.md) — Lucide is a free and open source icon set created by Eric Fennis and team with modern design.
- **Family**: [Lucide](/icons/lucide.md)
- **Style**: Line, Stroke, Minimal
- **Category**: All Icons › All Icons
- **Default size**: 24px
- **Stroke width**: 2px
- **Pricing**: Free
- **License**: [ISC](https://lucide.dev/license)
- **Author**: [Lucide](https://lucide.dev/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: mail, envelope, open, message, email, inbox, letter, post, correspondence, outgoing

## Download

- [Download Mail Open on Streamline](https://www.streamlinehq.com/icons/download/mail-open--29182)

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