PNG MORE
UI
Glyph
Elysium Icons
Diagonal, Export, send
DimGray
24x24
PNG ICO ICNS SVG MORE
Outline
Linecon
send, Email, Letter
Black
512x512
Round Black Icons
Letter, Communication, Email
Free basic
envelope, Message, Rss
CadetBlue
Google Material Design icons
send
PNG ICO ICNS MORE
Windows 8 metro style
File, send
DarkSlateGray
Pictype Free Vector Icons
Email, send, mail
Flat
Flat UI Free
open, Email, mail
WhiteSmoke
200x200
Pixel
Fugue Icons
mail, send
SteelBlue
16x16
receive, send, mail
Boolean
3D
Gnome Web Icons
Gnome, send, document
Gray
32x32
send, mail, Gnome
LightSteelBlue
Gnome, receive, mail
send, document, 48
48x48
DarkGray
48, Gnome, receive
PNG ICO MORE
paper, send, planepaper
64x64
Gnome, 64, mail
send, 64, mail
Smooth
Corner Stone
Gainsboro
Developpers
send, mail
Sienna
send, document
LightGray
Ultimate Gnome
Linen
256x256