---
title: "Messages Bubble Square Warning Icon | Free Download PNG & SVG | Ultimate Duotone"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/messages-bubble-square-warning--16062
canonical_url: "https://www.streamlinehq.com/icons/download/messages-bubble-square-warning--16062"
summary: "Clean duotone icon of a square speech bubble with an exclamation mark. Used for warning messages and alerts."
---

# Messages Bubble Square Warning icon

The Messages Bubble Square Warning icon shows a square speech bubble with a pointed tail, diagonal color split, and centered exclamation mark. Drawn in the duotone style on a 24px grid with a 1px stroke so it stays clear and customizable in UI. Use it for warning messages, alert dialogs, validation notices, and message center states. It belongs to Ultimate Duotone set in the Ultimate family.

## Preview

![Clean duotone icon of a square speech bubble with an exclamation mark. Used for warning messages and alerts.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/streamline-duotone/messages-chat/messages-speech-bubbles/messages-bubble-square-warning-9s58aj84v1t4w6ewpnf3v8.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Messages Bubble Square Warning
- **Type**: Icon
- **Set**: [Ultimate Duotone](/icons/streamline-duotone.md) — Ultimate is the world’s largest icon family, designed by 8 expert designers. The Duotone style enhances visual depth by combining colored lines and filled shapes, perfect for matching brand or project colors. Key advantages: 1—Customizable colors. Apply up to four different colors to icon elements. 2— Adjustable stroke thickness. Create looks ranging from thin to bold for varied aesthetics.
- **Family**: [Ultimate](/icons/ultimate-sets.md) — The encyclopedia of icons
- **Style**: Duo, Stroke, Filled
- **Category**: Messages Chat › Messages Speech Bubbles
- **Default size**: 24px
- **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**: message, bubble, square, warning, alert, exclamation, caution, important, attention, notification, urgent, conversation, communication, notice, chat

## Download

- [Download Messages Bubble Square Warning on Streamline](https://www.streamlinehq.com/icons/download/messages-bubble-square-warning--16062)

## Also available in other styles

- [Messages Bubble Square Warning — Ultimate Regular](/icons/download/messages-bubble-square-warning--9268.md) (Pro)
- [Messages Bubble Square Warning — Ultimate Bold](/icons/download/messages-bubble-square-warning--7831.md) (Pro)
- [Messages Bubble Square Warning — Ultimate Colors](/icons/download/messages-bubble-square-warning--19899.md) (Pro)
- [Messages Bubble Square Warning — Ultimate Light](/icons/download/messages-bubble-square-warning--8562.md) (Pro)

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