---
title: "Letter Opened Icon | Free Download PNG & SVG | Solar Line Duotone"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/letter-opened--29559
canonical_url: "https://www.streamlinehq.com/icons/download/letter-opened--29559"
summary: "Clean duotone icon of an open envelope with a flap and two horizontal marks. Used for mail, messages, and inboxes."
---

# Letter Opened icon

The Letter Opened icon shows a rounded envelope with an open upper flap and two horizontal marks inside. Drawn in the duotone style on a 24px grid with a 1.5px stroke, it keeps the layered form clear and airy. Use it for email, inboxes, opened messages, mail notifications, and communication interfaces. It belongs to Solar Line Duotone free set in the Solar family.

## Preview

![Clean duotone icon of an open envelope with a flap and two horizontal marks. Used for mail, messages, and inboxes.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/messages-conversation/letter-opened-6sqvplqnia8xr6ucgcr8n.png/letter-opened-x7obl5q3ylo6o3mj6z6aj.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Letter Opened
- **Type**: Icon
- **Set**: [Solar Line Duotone](/icons/solar-line-dutone.md) — Solar is a free and open source icon set created by 480 Design with bright, clean aesthetics.
- **Family**: [Solar](/icons/solar.md)
- **Style**: Duo, Stroke
- **Category**: Messages Conversation › Messages Conversation
- **Default size**: 24px
- **Stroke width**: 1.5px
- **Pricing**: Free
- **License**: [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/)
- **Author**: [480 Design](https://www.figma.com/community/file/1166831539721848736/solar-icons-set)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: letter, opened, envelope, mail, message, communication, email, inbox, emailbox, notification, correspondence

## Download

- [Download Letter Opened on Streamline](https://www.streamlinehq.com/icons/download/letter-opened--29559)

## Also available in other styles

- [Letter Opened — Solar Broken](/icons/download/letter-opened--29238.md) (Free)
- [Letter Opened — Solar Bold](/icons/download/letter-opened--29276.md) (Free)
- [Letter Opened — Solar Linear](/icons/download/letter-opened--29205.md) (Free)
- [Letter Opened — Solar Bold Duotone](/icons/download/letter-opened--29520.md) (Free)

---

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