Post and rope crowd control 1.Material:Velvet material and Zinc alloy hook. 2.Length:150cm,180cm,200cm,250cm or as request. Post and rope crowd control 1 ... .Material:Imitated silk fabic and Zinc alloy hook. 2.Length:150cm,180cm ... ,station,airports,business hall,supermarkets,museums,exhibition hall,show room and other public place.