---
title: "Warning Square Icon | Free Download PNG & SVG | Plump Flat"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/warning-square--26137
canonical_url: "https://www.streamlinehq.com/icons/download/warning-square--26137"
summary: "Rounded flat icon of a rounded square containing an exclamation mark. Used for warnings and alerts."
---

# Warning Square icon

The Warning Square icon shows a rounded square with a centered exclamation mark. Drawn in the flat style on a 48px grid for a friendly, illustrative look. Use it for warning messages, alert states, validation errors, safety notices, and caution prompts. It belongs to Plump Flat set in the Plump family.

## Preview

![Rounded flat icon of a rounded square containing an exclamation mark. Used for warnings and alerts.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/alerts/warning-square-8rj0tt6peuazw5ths0zxb9.png/warning-square-14wnyax59msc01igdq1pn.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Warning Square
- **Type**: Icon
- **Set**: [Plump Flat](/icons/plump-flat-style.md) — Plump is highly inspired by cartoons. With its warm appearance, this set of chunky icons is a natural choice for friendly brands. The Flat style is easy to integrate into projects that need icons with a more illustrative purpose, working best at larger sizes. All Plump Flat icons are designed on a 48px grid with two customizable colors.
- **Family**: [Plump](/icons/plump.md) — Friendly icons
- **Style**: Flat
- **Category**: Interface Essential › Alerts
- **Default size**: 48px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: warning, alert, exclamation, caution, danger, error, important, attention, notification, symbol, frame, square

## Download

- [Download Warning Square on Streamline](https://www.streamlinehq.com/icons/download/warning-square--26137)

## Also available in other styles

- [Warning Square — Plump Solid](/icons/download/warning-square--25880.md) (Pro)
- [Warning Square — Plump Neon](/icons/download/warning-square--30945.md) (Pro)
- [Warning Square — Plump Pop](/icons/download/warning-square--31828.md) (Pro)
- [Warning Square — Plump Duo](/icons/download/warning-square--25953.md) (Pro)
- [Warning Square — Plump Line](/icons/download/warning-square--25621.md) (Pro)
- [Warning Square — Plump Gradient](/icons/download/warning-square--29800.md) (Pro)
- [Warning Square — Plump Remix](/icons/download/warning-square--30156.md) (Pro)

---

[View full sitemap](/sitemap.md)