Bob Dively Liquid Masking Film, water based, $14.00/Qt. Spray 2 heavy coats runs permitted here. If you spray thin coats it's hard to get off. Dry with heat gun/ 45mins, air dry 2 hours. Drys transparent. Accepts Pen and Sharpie marker. Cuts super easy so be careful. 20 times easier to cut than tape. Rub on the mask to remove.