Google Material Design Icons
Material Design Icons are open source icons. These are officially open-source icons featured by Google.
Material Design Icons Included?
i. SVG versions of all icons in both 24px and 48px flavours
ii. SVG and CSS sprites of all icons
iii. 1×1, 2×2 for Web (PNG)
iv. 1×1, 2×2, 3×3 for iOS (PNG)
v. Hi-dpi (dot per inch) versions of all icons (hdpi, mdpi, xhdpi, xxhdpi, xxxhdpi) (PNG)
Material Icons Type: