---
title: "Square Icon | Free Download PNG & SVG | Flex Duo"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/square--24547
canonical_url: "https://www.streamlinehq.com/icons/download/square--24547"
summary: "Rounded duotone icon of a rounded square outline. Used for buttons, tiles, and UI containers."
---

# Square icon

The Square icon shows a rounded square outline with a soft inner fill. Drawn in the duotone style on a 14px grid with a 1px stroke for clear, fluid curves. Use it for buttons, tiles, panels, app containers, and interface layout controls. It belongs to Flex Duo set in the Flex family.

## Preview

![Rounded duotone icon of a rounded square outline. Used for buttons, tiles, and UI containers.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/geometric-shape/square-sl673so44saqdnbfo9mwc.png/square-l63o770x99gwt0mweoma5.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Square
- **Type**: Icon
- **Set**: [Flex Duo](/icons/flex-duo.md) — Flex is all about the curves. Its smooth curves brings fluidity and dynamism to your designs with a modern appeal. 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 Flex Duo icons are designed on a 14px grid with a 1px default stroke and two customizable colors.
- **Family**: [Flex](/icons/flex.md) — Fluid icons
- **Style**: Duo, Filled, Stroke
- **Category**: Interface Essential › Geometric Shape
- **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**: square, shape, geometric, rounded, contour, outline, box, design, border, frame, empty

## Download

- [Download Square on Streamline](https://www.streamlinehq.com/icons/download/square--24547)

## Also available in other styles

- [Square — Flex Line](/icons/download/square--24498.md) (Pro)
- [Square — Flex Remix](/icons/download/square--28528.md) (Pro)
- [Square — Flex Gradient](/icons/download/square--27696.md) (Pro)
- [Square — Flex Flat](/icons/download/square--24708.md) (Pro)
- [Square — Flex Neon](/icons/download/square--30400.md) (Pro)
- [Square — Flex Pop](/icons/download/square--31287.md) (Pro)
- [Square — Flex Solid](/icons/download/square--24338.md) (Pro)

---

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