Improvement in and relating to a light-restricting membrane

摘要

A light restricting or tinting membrane 10 for placement on the cover (36, fig 3) of a vehicle headlight (38, fig 3)d, has a perforated upper layer 14, a perforated central adhesive layer 18 and a perforated removable lower liner layer 22. Perforations 30 in the upper layer 14, central adhesive layer 18 and lower liner layer 22 are aligned. The perforations 30 form air flow passages 32.