Seven H Custom Art Decals. Directions for application. 1. Clean surface with glass cleaner 2.Peel off decal backing. 3. Apply one edge of decal and roll on to surface, this prevents air bubbles. 4. Rub transfer tape on front of decal with the edge of a credit card. 4. Peel off transfer tape slowly at an angle from one of the corners. For a video tutorial search Youtube for Cut vinyl decal application. there are numerous videos showing this simple process.