---
title: "Mail Send Envelope Icon | Free Download PNG & SVG | Core Duo"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/mail-send-envelope--24156
canonical_url: "https://www.streamlinehq.com/icons/download/mail-send-envelope--24156"
summary: "Clean duotone icon of a rounded envelope with a folded flap. Used for sending mail, messages, and email actions."
---

# Mail Send Envelope icon

The Mail Send Envelope icon shows a rounded rectangular envelope with a folded flap and contrasting interior fill. Drawn in the duotone style on a 14px grid with a 1px stroke for crisp, airy UI clarity. Use it for email buttons, message composition, send actions, contact forms, and mail applications. It belongs to Core Duo set in the Core family.

## Preview

![Clean duotone icon of a rounded envelope with a folded flap. Used for sending mail, messages, and email actions.](https://assets.streamlinehq.com/image/private/w_64,h_64,ar_1/f_auto/v1/icons/send/mail-send-envelope-wfj3dl01izdxzw8tjravt.png/mail-send-envelope-cucvateqpwg8g1bc42zy6p.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Mail Send Envelope
- **Type**: Icon
- **Set**: [Core Duo](/icons/core-duo-color.md) — Core is timeless, like the Helvetica font or The Beatles. With its minimalist design and neutrality, it can adapt to any layout. The Duo style is perfect for projects that require differentiation between actions, using color to convey meaning effectively. It also allows you to customize the line thickness. All Core Duo icons are designed on a 14px grid with a 1px default stroke and two customizable colors.
- **Family**: [Core](/icons/core-sets.md) — Minimal icons
- **Style**: Duo, Minimal, Stroke, Filled, Wireframe
- **Category**: Mail › Send
- **Default size**: 14px
- **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, email, message, letter, sealed, inbox, post, close, mailing, communication, correspondence, unopened

## Download

- [Download Mail Send Envelope on Streamline](https://www.streamlinehq.com/icons/download/mail-send-envelope--24156)

## Also available in other styles

- [Mail Send Envelope — Core Line](/icons/download/mail-send-envelope--23613.md) (Pro)
- [Mail Send Envelope — Core Neon](/icons/download/mail-send-envelope--30503.md) (Pro)
- [Mail Send Envelope — Core Solid](/icons/download/mail-send-envelope--23804.md) (Pro)
- [Mail Send Envelope — Core Remix](/icons/download/mail-send-envelope--29031.md) (Pro)
- [Mail Send Envelope — Core Gradient](/icons/download/mail-send-envelope--28395.md) (Pro)
- [Mail Send Envelope — Core Flat](/icons/download/mail-send-envelope--23892.md) (Pro)
- [Mail Send Envelope — Core Pop](/icons/download/mail-send-envelope--31392.md) (Pro)

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