PNG ICO ICNS MORE
Flat icons
Close, smiley
Gold
256x256
trophy, Close
Splashy
no, Close, yellow
16x16
80s
stop, Close, cancel
Close, walkman, no
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Files & folders
3D
Folders
delete, Close, win
512x512
Photography & graphic design
32x32 Free Design Icons
Close, Folder
32x32
UI
Smooth
User Interface Icons
Close, minimize, expand
80x80