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Toolbar Icons
Alert
Chocolate
32x29
PNG ICO ICNS MORE
Ravenna
wrong, Error, warning
256x256
warning, Error, exclamation
Fugue
Alert, Rss, warning
16x16
Direction, Error, warning
Pixelicious
wrong, exclamation, Error
32x32
Office
wrong, Alert, exclamation
Mixed
3D
Noiro
Alert, warning
128x128
Business & finance
Smooth
Pretty Office
Alert, exclamation
Computer & hardware
Human o2
important, Alert, Folder
Pixel
Led Icons
stop, Alert, warning