PNG ICO ICNS MORE
Business & finance
3D
FRESH Add-on
send, Bill, Email
Black
256x256
PNG ICO MORE
UI
Gnome Web Icons
paper, send, planepaper
64x64
send, 64, mail
Computer & hardware
Discovery
receive, mail, send
32x32
PNG MORE
Desktop apps
Free Applications Icons
Arrow, Raise, rise
24x24
Mixed
Isoglass
push, def, send
48x48