PNG SVG MORE
Mixed
Glyph
Social Messaging & Productivity Mix Icons
Close, logout, remove
Black
512x512
open, remove, Folder
PNG ICO ICNS SVG MORE
Computer & hardware
General
cross, delete, remove
UI
Very Basic. Android L (Lollipop)
cross, delete, Close
PNG ICO ICNS MORE
Simple Icons
Close
Material Core
Free basic
cancel, Not, stop
Firebrick
Clear, cancel, decline
Signs & symbols
SquareNav
cancel, square, Close
Geomicons
FatiCons
Windows 8 metro style
window, Close
DarkSlateGray
Ionicons
Close, round
Circled, Close
Business & finance
48x48 Free Time Icons
delete, Close, festive
48x48
PNG MORE
24x24 Free Application Icons
Crimson
24x24
Devine Icons Part 2
Close, Recyclebin
128x128
Free Mobile Icon Kit
Close, window
64x64
Flat UI Icons Free
cross, remove, delete
Picol Vector
user, Close
Edit, Close, user
Close, Add, user