---
title: "Mail Send Envelope Icon | Free Download PNG & SVG | Flex Gradient - Free"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/mail-send-envelope--29605
canonical_url: "https://www.streamlinehq.com/icons/download/mail-send-envelope--29605"
summary: "Rounded gradient icon of an envelope with a curved flap. Used for sending mail and messages."
---

# Mail Send Envelope icon

The Mail Send Envelope icon shows a rounded envelope with a curved flap across its front. Drawn in the gradient style on a 14px grid with filled shapes for smooth color transitions and clarity at small sizes. Use it for send buttons, email composition, messaging, and share-by-mail actions. It belongs to Flex Gradient - Free set in the Flex family.

## Preview

![Rounded gradient icon of an envelope with a curved flap. Used for sending mail and messages.](https://assets.streamlinehq.com/image/private/w_300,h_300,ar_1/f_auto/v1/icons/mail/mail-send-envelope-7ni6ydi0qwnw60o7dj48i.png/mail-send-envelope-mt2l9t4ow5nn0oqtp3g2.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Mail Send Envelope
- **Type**: Icon
- **Set**: [Flex Gradient - Free](/icons/flex-gradient-free.md) — [Free + Open-source] Flex is all about the curves. Its smooth curves brings fluidity and dynamism to your designs with a modern appeal. The Gradient style is best suited for designs where impact and immersion are key, especially on dark backgrounds. All Flex Gradient icons are designed on a 14px grid using filled shapes as gradient colors. Licensed under the Creative Commons - CC BY 4.0
- **Family**: [Flex](/icons/flex.md) — Fluid icons
- **Style**: Gradient
- **Category**: Mail › Mail
- **Default size**: 14px
- **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, send, message, email, letter, communication, post, inbox, sealed, unopened, close, correspondence

## Download

- [Download Mail Send Envelope on Streamline](https://www.streamlinehq.com/icons/download/mail-send-envelope--29605)

## Also available in other styles

- [Mail Send Envelope — Flex Flat - Free](/icons/download/mail-send-envelope--26849.md) (Free)
- [Mail Send Envelope — Flex Duo - Free](/icons/download/mail-send-envelope--26830.md) (Free)
- [Mail Send Envelope — Flex Neon - Free](/icons/download/mail-send-envelope--31961.md) (Free)
- [Mail Send Envelope — Flex Remix - Free](/icons/download/mail-send-envelope--29619.md) (Free)
- [Mail Send Envelope — Flex Pop - Free](/icons/download/mail-send-envelope--31945.md) (Free)
- [Mail Send Envelope — Flex Line - Free](/icons/download/mail-send-envelope--26797.md) (Free)
- [Mail Send Envelope — Flex Solid - Free](/icons/download/mail-send-envelope--26814.md) (Free)

---

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