Genuine Mini Spares product as originally made by Pianoforte and then Mini Spares for Rover.Clips for this are
EYC10048This is the 1/2" tall thinner type fited to wind up window cars from 1970 on.
The original 1" taller type had the felt draught excluder stapled on but when rusty they would scratch the door glass so it was replaced on the assembly line by this later rubber moulded version type without staples.
There are some cheaper vesrions on the market where the rubber amd manufacture are not up to our grade. 32"long.