Iron on self adhesive plastic film. (polypropylene). Weight: 50 to 65 g.s.m. Easy to use with very good shrinkage. Gives a glossy finish in a wide range of colours. Not recommended for diesel or petrol powered models. Ideal for general sport R/C models, especially those with veneered foam wings and sheet balsa box fuselages. Iron on application. Cannot normally be painted unless treated with Prymol Etch Primer first. For decoration use Solartrim. Lightest method for achieving a gloss finish on a model. Easiest-to-use covering film.