PNG MORE
Lynx Black
Del, cancel, quit
DarkRed
22x22
PNG ICO ICNS MORE
Oxygen
cancel, no, stop
48x48
Dialog, stop, no
stop, Close, cancel
Nuvola
button, Exit, delete
no, cancel, stop
Crystal Project
button, cross, stop
32x32
Minicons
Fugue
no, cross, cancel
16x16
Developer Kit
128x128
Alt, no, stop
PNG ICO MORE
Crystal Clear Actions
sign out, stop, remove
256x256
no, remove, stop
Office
Close, stop, no
UI
Pixel
Exit, Close, Dialog
Network & communications
Smooth
wrong, no, stop
3D
reject, x, delete