Sorry,its the soft top,its the rubber that runs from the base of the windshield to the top of the the screen [about 45cm long]it has a cloth face where the glass slides up in the groove,the rubber seel in the soft top does not line up to to recieve the glass.Its a 230, 66 vintage.Its allways diffacult to explain these things.Will try to insert a photo if this makes no sence.Cheers Mike