Interface Essential

Business

Images Photography

Money Shopping

Programming

Computer Devices

Phone

Mail

Map Travel

Food Drink

Nature Ecology

Entertainment

Shipping

Culture

Health

Work Education

Artificial Intelligence

Arrows

Streamline 3.0

Ultimate

Core

Flex

Sharp

Plump

Micro

Freehand

Streamline Material

Nova

Cyber

Streamline Vault

Logos

Pixel

Google Material

Tabler

Remix

Feather

Iconoir

Carbon

Solar

Lucide

Brand Logos

Bootstrap

Atlas

Unicons

Ionic Icons

Phosphor

MingCute

Font Awesome

Majesticons

Mynaui

Radix

Heroicons

Flagpack

Check

Check 2

Playful creative icon of a green check mark with a bold black outline. Used for approvals, completion, and success states.

Clean line icon of a rounded check mark. Used for confirmations, completed tasks, selections, and validation.

Sharp line icon of a thick angled check mark. Used for confirmation, completion, selection, and approval.

Check 1

Rounded line icon of a thick check mark. Used for confirmations, completion states, selections, and validation.

Clean duotone icon of a large angled check mark with rounded ends. Used for confirmations, completion, and selection states.

<p>Flex is all about the curves. Its smooth curves brings fluidity and dynamism to your designs with a modern appeal.&nbsp;The Neon style is especially effective in complex environments where&nbsp;quick recognition and hierarchy&nbsp;are essential. It also allows you to customize the line thickness.&nbsp;All Flex Neon icons are designed on a 14px grid with a 1px default stroke and two customizable line colors.</p>

Flex Neon

<p>Flex is a fluid icon family inspired by nature’s curves. It favors smooth, flowing forms. More organic than Core and subtler than the chunky Plump. Read about the <a href="https://blog.streamlinehq.com/flex/" rel="noopener noreferrer" target="_blank">design process</a>.</p>

Fluid icons

Check Double Thick

Validation

Check Double Thick is a neon-style Icon from Flex Neon set.

Download Check Double Thick SVG vector or transparent PNG icon in Neon, Stroke style(s) for Sketch and Figma. It belongs to Flex Neon vectors SVG collection.