---
title: "Interface: IRubberbandStyle | Customer's Canvas On-Premises"
canonical: "https://customerscanvas.com/docs/on-premises/design-editor/iframe-api/reference/design-editor-iframe/interfaces/ConfigurationInterfaces.IRubberbandStyle/"
---

# Interface: IRubberbandStyle

> A structure defining the appearance of a selected area when the left mouse button is holding down.

## Properties

### color

> **color**: `string`

The color of the selection border, in the RGBA format. The default value is "rgba(0,0,0,1)".

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### width

> **width**: `number`

The selection border width, in pixels. The default value is 1.

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### fillColor

> **fillColor**: `string`

The fill color of the selection, in the RGBA format. The default value is "rgba(0,0,0,0)".

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### dashPattern

> **dashPattern**: `number`[]

The style of dashes of the selection border, as an array of numbers, which mean the length of the dash or gap in the dashed line. By default, the array is [2, 2].