---
title: "Mail Send Envelope Icon | Free Download PNG & SVG | Flex Line"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/mail-send-envelope--24407
canonical_url: "https://www.streamlinehq.com/icons/download/mail-send-envelope--24407"
summary: "Rounded line icon of an envelope with a curved flap. Used for email, messaging, and send actions."
---

# Mail Send Envelope icon

The Mail Send Envelope icon shows a rounded envelope with a curved inner flap. Drawn in the Flex Line style on a 14px grid with a 1px stroke, its flowing contours stay clear at small sizes. Use it for email buttons, message composition, contact forms, and send actions. It belongs to Flex Line set in the Flex family.

## Preview

![Rounded line icon of an envelope with a curved flap. Used for email, messaging, and send actions.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/send/mail-send-envelope-fsepnqyu5n8ltxsnb1pwi.png/mail-send-envelope-f2e5qcnhqilnklcvq3no6.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Mail Send Envelope
- **Type**: Icon
- **Set**: [Flex Line](/icons/flex-line.md) — Flex is a fluid icon family inspired by nature's curves. It replaces rigid geometry with smooth, flowing forms. The Line variant features elegant strokes with organic curves.
- **Family**: [Flex](/icons/flex.md) — Fluid icons
- **Style**: Line, 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--24407)

## Also available in other styles

- [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 Neon](/icons/download/mail-send-envelope--30295.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)

---

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