Mailbox Flag
The mailbox flag icon represents a marked or flagged message, often used in communication and messaging systems.
Exports at 24 × 24 px
Code
Mailbox Flag in your framework
In any framework. Customize it above, and the code follows.
export const MailboxFlagIcon = (props: React.SVGProps<SVGSVGElement>) => (
<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" {...props}>
<g fill="none" stroke="currentColor" strokeLinecap="round" strokeLinejoin="round" strokeWidth="2"><path d="M20 5.5A4 4 0 0 1 22 9v8a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V9a4 4 0 0 1 8 0v8a2 2 0 0 1-2 2M6 5h4"/><path d="M14 9V5h2v1h-2"/></g>
</svg>
);Other libraries
Mailbox Flag in 1 more libraries
Each library draws it its own way. Open one to compare.
Lucide Lab
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Mailbox Flag is tagged communication, notification, message and 3 more. Related tags follow; each opens its icons from every library.
Pricing
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Ask for Mailbox Flag or any of 373 Lucide Lab icons and your agent installs it. The MCP comes with every Pro plan, with 6,000+ blocks and 14 premium templates. The icons stay free.
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FAQ
Frequently asked questions
What the Mailbox Flag icon means and where it's used, then how to install, style, label and license it.
The mailbox flag icon represents a marked or flagged message, often used in communication and messaging systems. Mailbox flags are used to indicate important or unread messages. This icon is relevant in email and messaging contexts.
In digital design, mailbox flag icons are used in email clients, messaging apps, and communication platforms. For example, a mailbox flag icon might appear on an email client to indicate an important message or on a messaging app to highlight unread messages.
From a UX perspective, the mailbox flag icon communicates importance or unread status of messages. It helps users quickly identify messages that require attention.
Mailbox Flag is one of 373 icons in Lucide Lab, made by Lucide Contributors and released under ISC. It is drawn on a 24 × 24 grid with a 2 stroke.
Sign in (it's free), then open Get icon, Install with shadcn CLI, and pick your package manager to copy the command. It adds MailboxFlagIcon to components/icons/lucide-lab-mailbox-flag.tsx: one file, a size prop (24 by default) and every SVG prop, with no icon package.
Copy it as React (from Get icon, or the Code section): a typed MailboxFlagIcon component you paste into your project, with no package to install. Only the icons you import reach your bundle. It works in Next.js and any React app.
Open Get icon, then Copy as code, and pick Vue, Svelte, Angular, Solid or Preact; the Code section shows each one too. Every version is one self-contained component with the SVG inside, and SVG and data URL copies are there for plain HTML and CSS.
With Pro, the shadcn.io MCP server lets Claude Code, Cursor or any MCP client find the Mailbox Flag icon, or any of 373 Lucide Lab icons, and install it from a prompt.
It's drawn in currentColor, so it takes the text color wherever you use it: a class like text-primary recolors it. To bake a color in, set one in Customize before you copy.
Set width and height on the component, or a class like size-6. It's drawn on a 24 × 24 grid, so it stays sharp at any size. Customize also sets the size it exports at, its padding and rotation, and its stroke.
Mailbox Flag is a line icon drawn with a stroke width of 2. Change it in Customize before you copy, or pass strokeWidth to the installed component when all of its strokes share one width.
Yes. It follows the text color, so with text-foreground (or any theme token) it changes with your light and dark themes. The icon is a vector, so it needs no separate dark asset.
Next to a visible label it's decoration: add aria-hidden="true" so screen readers skip it. Standing alone, as in an icon button, give the button a name instead, like aria-label="Mailbox Flag", so screen readers say what it does.
Yes. MailboxFlagIcon passes every SVG prop to the svg element, so <MailboxFlagIcon aria-hidden="true" /> works, and so do role="img" with aria-label, or a title child, when it carries meaning on its own.
Yes. Open Get icon, then Download file: SVG for code or design tools like Figma; PNG, WebP or JPEG at 512px; or an ICO favicon with 16, 32 and 48px inside. Each one uses what you set in Customize.
Yes. ISC allows commercial use; keep the license notice when you ship the icons' source files. The full terms are in the license, linked on this page.
No visible credit is required: ISC only asks that you keep the license notice if you ship the icons' source files. Icons installed with the shadcn CLI already start with a comment naming Lucide Lab, Lucide Contributors and the license.
Yes. Copying and downloading it is free, and the shadcn CLI install only needs a free account.
1 other library draws an icon called Mailbox Flag. The Other libraries section on this page shows each one, so you can compare them and open the one that fits your style.
Its tags are communication, notification, message, email, messaging and important. Each tag page lists the icons that carry it from every library, which is the quickest way to find a match for Mailbox Flag in another set.
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