PNG ICO ICNS MORE
Mixed
3D
Momentum Glossy icons
Message
Gainsboro
32x32
UI
Gloss Basic Icons
delete, Message
Message, Add
Message, delete
Information, Message
Gnome Web Icons
Gnome, new, mail
Gnome, 48, new
48x48
PNG ICO MORE
Gnome, mail, new
64x64
Computer & hardware
Human o2
Message, new, messages
128x128
Photography & graphic design
Dark Glass