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Business & finance
Glyph
Finance. Android L (Lollipop) Icon Pack.
Check, Book, Finance
Black
512x512
Mixed
Icons Solid
Check, Cloud
Material Core
Box, Check
Box, Blank, Check
Check, Circle, Blank
Circle, Check
Check, Circle
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Check
UI
Free basic
Accept, checkmark, Check
DarkSeaGreen
Files & folders
AwesomeFolders
Folder, Check, exclamation
Geomicons
Network & communications
Communication & Technology
ok, speech bubble, Bubble
Octicons
384x512
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Windows 8 metro style
Book, Check
DarkSlateGray
Travel & hotels
Meanicons
meanicons, ok, okay
buy, store, Add
Iconic
AIGA Symbol Signs
hanger, Check, Coat
Gentle Edges Icon Set
Check, checkmark
128x128
Windows Metro
48x48
Flat UI Icons Free
yes, Check, checkmark