One great feature is that you can rescale the icons and adapt the stroke width, they will still look perfect. That require a lot of discipline and planning to construct them, I hope that will works fine for you!
Special is a set of 18 free flat ecommerce icons that would make a nice addition to your design inventory. These icons are created in Adobe Illustrator and hence are fully-scalable. The icons can also be used on light or white background easily even as we have color backgrounds for each icon.