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Nuvola
Folder, outbox
Sienna
16x16
Oxygen-Refit
outbox
Black
128x128
Gnome 2.18 Icon Theme
outbox, stock
48x48
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Dropline Nuovo!
stock, outbox
DarkKhaki
24x24
Primo
DarkGray
Crystal Project
WhiteSmoke
32x32
Folder, paper plane, outbox
SketchCons
Green
Human-O2
outbox, envelop, Message
Crystal Clear Actions
256x256
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Signs & symbols
Glyph
Miscellany Web icons
mail, Message, Communication
512x512
UI
GlyphPack
483x512
Mimi Glyphs
Smooth
Super Mono Basic
Basic, green, outbox
outbox, red, Basic
Crimson
outbox, yellow, Basic
Super Mono Stickers
sticker, outbox
64x64
Shopping & e-commerce
Super Mono Reflection
outbox, Blue
DeepSkyBlue
green, outbox
outbox, red
yellow, outbox
outbox, Basic, Blue