PNG ICO ICNS MORE
Flat icons
Lock, Format, open
Goldenrod
256x256
Lock, chest, open
open, Lock, world
Cda, File, Lock
saxophone, Lock, music
Format, open, File
Lock, File, Aiff
Shimmer
hot, win, open
PNG MORE
Google Plus Interface Icons
Lock, open
128x128
Addictive Flavour
open, Lock
48x48
Gloss: Basic
Folder, open
16x16
open, Accept, Folder
32x32
open, Info, Information
open, delete, remove
Folder, Del, open
open, Del, remove
open, Add, plus
Folder, open, Add
open, writing, Folder
Flavour Extended
Lock, security, locked
Dark Glass
open, Folder, yellow
Moonlight
Farm-Fresh Web
locked, open, Lock