---
title: "Mail Send Envelope Icon | Free Download PNG & SVG | Flex Neon"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/mail-send-envelope--30295
canonical_url: "https://www.streamlinehq.com/icons/download/mail-send-envelope--30295"
summary: "Clean neon icon of a rounded envelope with a curved inner flap. Used for sending mail, email, and message actions."
---

# Mail Send Envelope icon

The Mail Send Envelope icon shows a rounded rectangular envelope with a curved inner flap line. Drawn in the neon style on a 14px grid with a 1px stroke so its flowing curves stay clear in compact interfaces. Use it for email compose buttons, send actions, contact forms, and messaging screens. It belongs to Flex Neon set in the Flex family.

## Preview

![Clean neon icon of a rounded envelope with a curved inner flap. Used for sending mail, email, and message actions.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/flex-neon/mail/send/mail-send-envelope-y0gghoo6n1eomwakplltyq.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Mail Send Envelope
- **Type**: Icon
- **Set**: [Flex Neon](/icons/flex-neon.md) — Flex is all about the curves. Its smooth curves brings fluidity and dynamism to your designs with a modern appeal. The Neon style is especially effective in complex environments where quick recognition and hierarchy are essential. It also allows you to customize the line thickness. All Flex Neon icons are designed on a 14px grid with a 1px default stroke and two customizable line colors.
- **Family**: [Flex](/icons/flex.md) — Fluid icons
- **Style**: Neon, Stroke
- **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, 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--30295)

## Also available in other styles

- [Mail Send Envelope — Flex Line](/icons/download/mail-send-envelope--24407.md) (Pro)
- [Mail Send Envelope — Flex Remix](/icons/download/mail-send-envelope--28620.md) (Pro)
- [Mail Send Envelope — Flex Duo](/icons/download/mail-send-envelope--24620.md) (Pro)
- [Mail Send Envelope — Flex Gradient](/icons/download/mail-send-envelope--27773.md) (Pro)
- [Mail Send Envelope — Flex Flat](/icons/download/mail-send-envelope--24781.md) (Pro)
- [Mail Send Envelope — Flex Pop](/icons/download/mail-send-envelope--31213.md) (Pro)
- [Mail Send Envelope — Flex Solid](/icons/download/mail-send-envelope--24247.md) (Pro)

---

[View full sitemap](/sitemap.md)