As always, we at Web Design Freebies are trying to find the latest beautiful icons sets. Today, we chose to share with you a set of 40 free flat long shadow icons. This free PSD set is created by the Polish graphic and web designer Michal Sumka. It contains two files. First is with mono-colored icons and the second one is with colored. Both of them are easy to be edited in Photoshop to suit to your personal needs. You can use these high-quality pixel-perfect free icons for your personal or commercial projects.