---
title: "Chat Bubble Square Lock Icon | Free Download PNG & SVG | Flex Line"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/chat-bubble-square-lock--24405
canonical_url: "https://www.streamlinehq.com/icons/download/chat-bubble-square-lock--24405"
summary: "Rounded line icon of a square chat bubble with a padlock. Used for private messaging and secure chats."
---

# Chat Bubble Square Lock icon

The Chat Bubble Square Lock icon shows a square chat bubble containing a padlock. Drawn in the line style on a 14px grid with a 1px stroke so it stays clear and airy at small sizes. Use it for private messaging, secure chat, protected conversations, and access-controlled support channels. It belongs to Flex Line set in the Flex family.

## Preview

![Rounded line icon of a square chat bubble with a padlock. Used for private messaging and secure chats.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/chat-bubble/chat-bubble-square-lock-wntx8cz8tgidkr15k4rwh.png/chat-bubble-square-lock-f78oiu9opjr0coniy3aapw.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Chat Bubble Square Lock
- **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 › Chat Bubble
- **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**: message, chat, bubble, lock, secure, password, encryption, square, privacy, protect

## Download

- [Download Chat Bubble Square Lock on Streamline](https://www.streamlinehq.com/icons/download/chat-bubble-square-lock--24405)

## Also available in other styles

- [Chat Bubble Square Lock — Flex Remix](/icons/download/chat-bubble-square-lock--28617.md) (Pro)
- [Chat Bubble Square Lock — Flex Duo](/icons/download/chat-bubble-square-lock--24622.md) (Pro)
- [Chat Bubble Square Lock — Flex Gradient](/icons/download/chat-bubble-square-lock--27770.md) (Pro)
- [Chat Bubble Square Lock — Flex Flat](/icons/download/chat-bubble-square-lock--24783.md) (Pro)
- [Chat Bubble Square Lock — Flex Neon](/icons/download/chat-bubble-square-lock--30292.md) (Pro)
- [Chat Bubble Square Lock — Flex Pop](/icons/download/chat-bubble-square-lock--31210.md) (Pro)
- [Chat Bubble Square Lock — Flex Solid](/icons/download/chat-bubble-square-lock--24249.md) (Pro)

---

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