---
title: "Mail Send Envelope Icon | Free Download PNG & SVG | Core Duo - Free"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/mail-send-envelope--26740
canonical_url: "https://www.streamlinehq.com/icons/download/mail-send-envelope--26740"
summary: "Clean duotone icon of an envelope with a folded flap. Used for sending email and messages."
---

# Mail Send Envelope icon

The Mail Send Envelope icon shows a rounded rectangular envelope with a prominent folded flap. Drawn in the duotone style on a 14px grid with a 1px stroke for clear, refined small-size UI rendering. Use it for email actions, message composition, send buttons, contact forms, and communication tools. It belongs to Core Duo - Free set in the Core family.

## Preview

![Clean duotone icon of an envelope with a folded flap. Used for sending email and messages.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/mail/mail-send-envelope-l8m0kvjxfdt2jod9qhiwf.png/mail-send-envelope-d2ndys2f9gl1ya6nqfade8.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Mail Send Envelope
- **Type**: Icon
- **Set**: [Core Duo - Free](/icons/core-duo-free.md) — [Free + Open-source] Core is the Helvetica of icons. The Free Duo variant uses dual tones for a sophisticated color approach. Licensed under the Creative Commons - CC BY 4.0
- **Family**: [Core](/icons/core-sets.md) — Minimal icons
- **Style**: Duo
- **Category**: Mail › Mail
- **Default size**: 14px
- **Stroke width**: 1px
- **Pricing**: Free
- **License**: [Free](https://home.streamlinehq.com/license-free)
- **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--26740)

## Also available in other styles

- [Mail Send Envelope — Core Line - Free](/icons/download/mail-send-envelope--26724.md) (Free)
- [Mail Send Envelope — Core Solid - Free](/icons/download/mail-send-envelope--26759.md) (Free)
- [Mail Send Envelope — Core Pop - Free](/icons/download/mail-send-envelope--31932.md) (Free)
- [Mail Send Envelope — Core Flat - Free](/icons/download/mail-send-envelope--26772.md) (Free)
- [Mail Send Envelope — Core Gradient - Free](/icons/download/mail-send-envelope--29637.md) (Free)
- [Mail Send Envelope — Core Neon - Free](/icons/download/mail-send-envelope--31915.md) (Free)
- [Mail Send Envelope — Core Remix - Free](/icons/download/mail-send-envelope--29652.md) (Free)

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