---
title: "Chat Bubble Square Lock Icon | Free Download PNG & SVG | Plump Duo"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/chat-bubble-square-lock--25818
canonical_url: "https://www.streamlinehq.com/icons/download/chat-bubble-square-lock--25818"
summary: "Rounded duotone icon of a square chat bubble with a padlock. Used for private chats and message security."
---

# Chat Bubble Square Lock icon

The Chat Bubble Square Lock icon shows a rounded square speech bubble containing a centered padlock. Drawn in the duotone style on a 48px grid with a 3px stroke for a friendly, clear appearance. Use it for private messaging, secure conversations, chat permissions, and locked message states. It belongs to Plump Duo set in the Plump family.

## Preview

![Rounded duotone icon of a square chat bubble with a padlock. Used for private chats and message security.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/chat-bubble/chat-bubble-square-lock-03t32y80j3jn6fqjhx4pcxi.png/chat-bubble-square-lock-1567m19o7efsu0qaa9ml98.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Chat Bubble Square Lock
- **Type**: Icon
- **Set**: [Plump Duo](/icons/plump-duo-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 Duo style is perfect for projects that require differentiation between actions, using color to convey meaning effectively. It also allows you to customize the line thickness. All Plump Duo icons are designed on a 48px grid with a 3px default stroke and two customizable colors.
- **Family**: [Plump](/icons/plump.md) — Friendly icons
- **Style**: Duo, Stroke, Filled
- **Category**: Mail › Chat Bubble
- **Default size**: 48px
- **Stroke width**: 3px
- **Pricing**: Pro
- **License**: [Commercial](https://home.streamlinehq.com/license-premium)
- **Author**: [Streamline](https://home.streamlinehq.com/)
- **Formats**: PNG, WEBP, PDF, SVG, JSX
- **Tags**: chat, bubble, square, lock, message, secure, security, privacy, encryption, padlock, protected, confidential, password, private, authentication, safe, encrypted

## Download

- [Download Chat Bubble Square Lock on Streamline](https://www.streamlinehq.com/icons/download/chat-bubble-square-lock--25818)

## Also available in other styles

- [Chat Bubble Square Lock — Plump Flat](/icons/download/chat-bubble-square-lock--26200.md) (Pro)
- [Chat Bubble Square Lock — Plump Solid](/icons/download/chat-bubble-square-lock--26031.md) (Pro)
- [Chat Bubble Square Lock — Plump Neon](/icons/download/chat-bubble-square-lock--30885.md) (Pro)
- [Chat Bubble Square Lock — Plump Pop](/icons/download/chat-bubble-square-lock--31759.md) (Pro)
- [Chat Bubble Square Lock — Plump Line](/icons/download/chat-bubble-square-lock--25680.md) (Pro)
- [Chat Bubble Square Lock — Plump Gradient](/icons/download/chat-bubble-square-lock--29736.md) (Pro)
- [Chat Bubble Square Lock — Plump Remix](/icons/download/chat-bubble-square-lock--30087.md) (Pro)

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