Icons that can be used for navigation. They are simple so use less data and will reduce the time it takes the website to load. They help users to navigate around websites easily by using easily recognisable symbols.
:Gmarellile Flat Icons Personally, I quite these icons. Because I think a nice icon will catch consumer attention. A well begun is half done. Also I think if you can design a good icon, your product would not too bad, lol