WANTED: Cardboard or plastic Tube type used for posting (Dunstable LU6)

Cardboard or plastic Tube type used for posting - photo 1 of 2
Cardboard or plastic Tube type used for posting - photo 2 of 2
Cardboard or plastic Tube type used for posting
WANTED
Cardboard or plastic Tube type used for posting
Dunstable LU6
DESCRIPTION
#122316029
I am in need of a poster like tube to hold some antenna, needs to be at least 600mm long, I would really appreciate 1 or 2, many thanks