PNG ICO ICNS MORE
Gloss: Basic
bookmark, Alert, warning
LightGray
32x32
Farm-Fresh Web
Database, warning, db
Silk
Error, wrong, Alert
16x16
Fugue
Alert, warning, Error
Alert, telephone, warning
Orb
exclamation, delete, remove
128x128
PNG MORE
Files & folders
Pixel
ExplodingBoy Pixel Icons
exclamation
20x20
UI
Fugue Icons
exclamation, telephone
exclamation, table
