PNG ICO ICNS MORE
Mixed
Handdrawn
Down to Earth
Folder, important
Black
512x512
Signs & symbols
3D
Free 3d Glossy Interface Icon Set
Attention, Error, cautious
64x64
warning, danger, Alert
Prompt, danger, exclamation
Message, help, Prompt
OrangeRed
Prompt, help, danger
PNG ICNS MORE
Desktop apps
important
DarkSlateGray
important, Folder
128x128
UI
Gnome Web Icons
Gnome, Emblem, important
Firebrick
32x32
mail, important, mark
WhiteSmoke
important, Gnome, Emblem
DarkRed
48x48
mark, important, 48
PNG ICO MORE
Attention, important
unread mail, envelope, mail
Smooth
Humility
Attention, Emblem, important
Snowish
important, Emblem
IndianRed
Pixel
important, Comment
Silver
16x16
Sweetie Web Communication
Comment, square, important
PNG MORE
24x24
Comment, important, square
Ultimate Gnome
Emblem, important
256x256