Mail Icon
Stainless Icons
Commercial usage: Not allowed
Blue Gradient Toolbar Icons
Commercial usage: Allowed
iRob Icons
Iconza Purple Icons
Light Grey Square Icons
Cyan Bitcons Icons
Christmas 2011 Icon Set
Seize Icons
Web 2.0 Green Icons
Web Orange Buttons
Brown Bitcons Icons
Web Pink Buttons
Inbox Icon
Black Wireframe Toolbar Icons
Mail 2 Icon
Web Green Buttons
Peely Icons
White Wireframe Toolbar Icons
Mono Reflection Yellow Icons
Mail Open Icon
Mail Close Icon
Stock Web Icons
Square Red Buttons Icons
Hand-drawing Icon Set
Mono Reflection Green Icons