The icons are truly drawn by hand using a pen tablet. It provides a rich pencil sketch feel and will be perfect for websites or designs using sketchy style. The set includes 16 free icons in two different color schemes (black/white and colored) and it is licensed under CC 3.0 Attribution license. You can use them for free in your personal or commercial project but an attribution to the author (Double-J Design) is required. It is not allowed to use them in any kind of integration in a product that is for sale.