Window trim strip

A trim strip for covering a gap between a window glass and a window frame, consisting of a decorative strip covering the gap with a web projecting obliquely from the decorative strip for insertion into the gap, and a plurality of barb-like ribs pointing outwards from the web to engage the window glass and the window frame, characterized by the lowest most of the ribs facing the window glass being split to provide an upper arm and a lower arm at different heights and each arm having a having catch surface to engage with the glass and the upper arm being longer than the lower arm and having an enlargement at the end.