Product Usage It is specifically designed for use on inflatable devices such as life rafts, life jackets, immersion/wet suits, dry suits, etc. Product Construction It is composed of microprisms retroreflective elements integrally bonded to a flexible, smooth surface, tough and weather resistant, UV stabilized polymeric film. the prism surfcae are coated to provide a mirror surface to the prism facets. The resulting material is not more than 0,410 mm thick and comes with an aggressive pressure sensitive adhesive.