Twitter-icon.com has a great selection of twitter icons and buttons.
Site: mandatum.fi (Mandatum Life)
Mandatum Life on rohkeasti erilainen, aktiivinen ja asiakasta kuunteleva henkivakuutusyhtiö, joka tarjoaa asiakkaalleen sellaisia ratkaisuja, joita ei muualta saa.
Do you have a twitter account? If so it's important
to get as many people as possible to follow you.
Great follow me icon captures attention of the visitors
and brings more followers to your twitter account.
Choose great twitter icon for you website!