Download Minimal Material Design UI Kit PSD Freebie. A useful free user interface kit psd that you can use to quickly mock-up web or mobile interaction patterns. The kit being carefully designed using vector shapes, will easily scale to any resolution without quality loss. Really nice resource that you can use in your next project. The simplicity of these free flat psd ui kits is just one thing to notice and will look good on your mobile app as well as webpage. Hope you like it. Enjoy!