PNG SVG PSD EPS MORE
Signs
Flat
Computer security set
notice, Signaling, warning
DarkSlateGray
512x512
PNG ICO MORE
Simply Black
notice
64x64
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Pixelicious
notice, Gear
32x32
Buuf
notice, zuckerman, you
128x128
Mobile apps
Glyph
app types in grey
Info, Information, help