PNG SVG PSD EPS MORE
Interface
Flat
Communication
Email, envelope, Message
Gold
512x512
Communications
School Collection
Birthday party
Business and Office
Computer
Computer Security
envelope, Multimedia, Message
Multimedia
Multimedia Rounded Icons
Email, interface, Multimedia
PNG ICO ICNS MORE
Blogging
Email, Letter, envelop
48x48
Mixed
WHSR January Flaticon Set
envelope, Email
Business & finance
Smooth
Pretty Office part 2
read, envelope, Already
256x256
Cartoon
PNG MORE
Desktop apps
3D
Free Applications Icons
Stamp, mail, post
24x24
UI
User Interface Icons
mail, Message, newsletter
80x80