---
title: "Chat Bubble Square Lock Icon | Free Download PNG & SVG | Plump Line"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/chat-bubble-square-lock--25680
canonical_url: "https://www.streamlinehq.com/icons/download/chat-bubble-square-lock--25680"
summary: "Rounded line icon of a square chat bubble with a lock. Used for secure chats and messaging."
---

# Chat Bubble Square Lock icon

The Chat Bubble Square Lock icon shows a rounded square chat bubble with a centered padlock and pointed tail. Drawn in the line style on a 48px grid with a 3px stroke so it stays clear at small sizes. Use it for secure messaging, private conversations, chat privacy settings, and locked discussion threads. It belongs to Plump Line set in the Plump family.

## Preview

![Rounded line icon of a square chat bubble with a lock. Used for secure chats and messaging.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/chat-bubble/chat-bubble-square-lock-6x8zaevfa5grad5nfiw2i.png/chat-bubble-square-lock-ox8ci344evjhx2nv8qiy7l.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Chat Bubble Square Lock
- **Type**: Icon
- **Set**: [Plump Line](/icons/plump-line-style.md) — Plump is 100% cute. Inspired by animated cartoons, with subtle curves and chunky shapes. The Line variant features outlines of friendly icons with expressive details.
- **Family**: [Plump](/icons/plump.md) — Friendly icons
- **Style**: Line, Stroke
- **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**: lock, chat, secure, privacy, encryption, messaging, padlock, security, speechbubble, chatbubble

## Download

- [Download Chat Bubble Square Lock on Streamline](https://www.streamlinehq.com/icons/download/chat-bubble-square-lock--25680)

## 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 Duo](/icons/download/chat-bubble-square-lock--25818.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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