FlowUI uses icons from the Remix Icon collection. These are a set of open-source neutral style symbols that are perfectly suited to an array of products and websites. You can access more icons from the Remix Icon website
Over 2000 SVG icons can be added to your project and edited with size and color properties. Directly into your project. Do you need a 'right-arrow' well you can grab it in literal seconds and change its color and hover effects. So easy.