---
title: "Envelope Icon | Free Download PNG & SVG | Cyber Duotone"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/envelope--17141
canonical_url: "https://www.streamlinehq.com/icons/download/envelope--17141"
summary: "Sharp duotone icon of an envelope with angular flap lines and two diamond details. Used for email, messages, and inboxes."
---

# Envelope icon

The Envelope icon shows a rectangular envelope with an angular flap, a central vertical line, and two diamond-shaped details. Drawn in the duotone style on a 24px grid with a 1px stroke so its straight geometry stays clear at small sizes. Use it for email, messaging, inbox, contact, and mail interface controls. It belongs to Cyber Duotone set in the Cyber family.

## Preview

![Sharp duotone icon of an envelope with angular flap lines and two diamond details. Used for email, messages, and inboxes.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/office/envelope-kt8dqyaco0gz7zeeaiyg7l.png/envelope-m625c52kw58qjcs8ohg4og.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Envelope
- **Type**: Icon
- **Set**: [Cyber Duotone](/icons/cyber-duotone.md) — Cyber features only straight lines and sharp angles. The Duotone variant uses two colors to enhance the futuristic appearance.
- **Family**: [Cyber](/icons/cyber.md) — Icons from the future
- **Style**: Duo, Geometric, Stroke, Filled
- **Category**: Office › Office
- **Default size**: 24px
- **Stroke width**: 1px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: envelope, mail, postal, letter, send, communication, correspondence, message, seal, document, paper, office, office supplies

## Download

- [Download Envelope on Streamline](https://www.streamlinehq.com/icons/download/envelope--17141)

## Also available in other styles

- [Envelope — Cyber Line](/icons/download/envelope--17041.md) (Pro)

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