---
title: "Stacking Icon | Free Download PNG & SVG | Flex Duo"
product: "Streamline Icons, Illustrations and Elements"
url: /icons/download/stacking--24651
canonical_url: "https://www.streamlinehq.com/icons/download/stacking--24651"
summary: "Rounded duotone icon of two stacked boxes with bookmarks. Used for storage, layers, and saved items."
---

# Stacking icon

The Stacking icon shows two rounded boxes arranged vertically, each marked with a bookmark shape. Drawn in the duotone style on a 14px grid with a 1px stroke so it stays clear and fluid. Use it for stacked content, storage, saved items, collections, and layered interface elements. It belongs to Flex Duo set in the Flex family.

## Preview

![Rounded duotone icon of two stacked boxes with bookmarks. Used for storage, layers, and saved items.](https://assets.streamlinehq.com/image/private/w_240,h_240,ar_1/f_auto/v1/icons/box/stacking-57760.png?_a=DATAiZkSZAA0)

## Details

- **Name**: Stacking
- **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**: Shipping › Box
- **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**: stacking, packages, parcels, shipment, storage, logistics, packaging, warehouse, inventory, delivery

## Download

- [Download Stacking on Streamline](https://www.streamlinehq.com/icons/download/stacking--24651)

## Also available in other styles

- [Stacking — Flex Remix](/icons/download/stacking--28636.md) (Pro)
- [Stacking — Flex Line](/icons/download/stacking--24379.md) (Pro)
- [Stacking — Flex Gradient](/icons/download/stacking--27802.md) (Pro)
- [Stacking — Flex Flat](/icons/download/stacking--24811.md) (Pro)
- [Stacking — Flex Pop](/icons/download/stacking--31180.md) (Pro)
- [Stacking — Flex Solid](/icons/download/stacking--24219.md) (Pro)
- [Stacking — Flex Neon](/icons/download/stacking--30322.md) (Pro)

---

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