Interface Essential

Business

Images Photography

Money Shopping

Programming

Computer Devices

Phone

Mail

Map Travel

Food Drink

Nature Ecology

Entertainment

Shipping

Culture

Health

Work Education

Artificial Intelligence

Arrows

Streamline 3.0

Ultimate

Core

Flex

Sharp

Plump

Micro

Freehand

Streamline Material

Nova

Cyber

Streamline Vault

Logos

Pixel

Google Material

Tabler

Remix

Feather

Iconoir

Carbon

Solar

Lucide

Brand Logos

Bootstrap

Atlas

Unicons

Ionic Icons

Phosphor

MingCute

Font Awesome

Majesticons

Mynaui

Radix

Heroicons

Flagpack

Envelope

Envelope 2

Envelope 1

Envelope 3

Sharp solid icon of a sealed envelope with a central seam and angled flap folds. Used for mail, inboxes, and messaging.

Envelope Sealed

Envelope Postcard

Clean solid icon of a filled envelope with a folded flap. Used for email, messages, and mail.

Email Envelope 2

Email Envelope

Envelope Letter

Receipt Envelope

Drawer Envelope

Clean line icon of a sealed envelope with a flap and central vertical seam. Used for mail, messages, and email.

Clean line icon of a sealed envelope with rounded outline and central divider. Used for mail, messages, and email.

Clean line icon of a drawer with an envelope. Used for mail storage, inboxes, filing, and messages.

Envelope Back Front

Envelope Paper Document

Mail Send Envelope

Red Envelope Coins

Bold solid icon of a rounded rectangle with a square and two horizontal bars. Used for mail, letters, and messaging.

Warm hand-drawn icon of a pigeon above a blue envelope. Used for mail, messaging, and delivery.

Envelope Pigeon

Email Envelope 3

Clean duotone icon of overlapping envelopes, one open behind another. Used for email, messages, and mail apps.

<p>Flex is all about the curves. Its smooth curves brings fluidity and dynamism to your designs with a modern appeal.&nbsp;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.</p>

Flex Gradient

<p>Flex is a fluid icon family inspired by nature’s curves. It favors smooth, flowing forms. More organic than Core and subtler than the chunky Plump. Read about the <a href="https://blog.streamlinehq.com/flex/" rel="noopener noreferrer" target="_blank">design process</a>.</p>

Fluid icons

Mail Check

Inbox

Mail Check is a gradient-style Icon from Flex Gradient set.

Download Mail Check SVG vector or transparent PNG icon in Gradient style(s) for Sketch and Figma. It belongs to Flex Gradient vectors SVG collection.