PNG ICO ICNS SVG MORE
Mixed
Outline
Thin Line Icons for SEO and Development
envelope, Message, mail
Black
512x512
Romance
Flat icons free
envelope, Message, Letter
envelope, Message, love
Travel & hotels
Travelling icon set, IInd part
Letter, Country, postcard
Twitter UI Set
envelope, Email, Letter
PNG SVG MORE
Essentials
envelope, Message, send
bitsies!
Letter, Communication, Email
UI
Linecon
mail, Email, Letter
Freeline
envelope, Letter, mail
Valenticons
valenticons, Letter, valentines
ikooni outline: Free Basic
envelope, Spam, Message
Hawcons
mail, open, envelope
DodgerBlue
mail, Closed, envelope
open, envelope, mail
envelope, mail, Closed
envelope, mail, open
mail, envelope, open
envelope, Closed, mail
envelope, open, mail
envelope, mail
LightSlateGray