Blask No:08 Interior PerfectBLASK INTERIOR PERFECT is a coating solution powered by BLASKs nano technology that can be applied to a variety of interior surfaces. It makes use of long lasting deep colors and has excellent hydrophobic and antifouling performance. How To use Shake well and apply on the interior surface with a terry cloth or microfiber towel. The color of the applied surface will be deepened after drying. The gloss may go away during this process. Use a clean towel.