PNG MORE
Metro Uinvert Dock
Thunderbird, Mirror
SteelBlue
320x320
PNG ICO ICNS MORE
Thunderbird
256x256
Metro UI
Mirror, Thunderbird
640x640
512x512
Windows Icons V2
SoftDimension
Mobile apps
Flat
iOS 7 Style - Metro UI Icons
Metroui, Thunderbird
SEO & web
Glyph
Desktop apps
3D
48px icons 2
48x48
Social media
Metro UI Dock
UI
Metro UI Icon Set
Photography & graphic design
Dark Glass
128x128