... 45cm.Blowing mould material:HDPE5502 Weight:2KGS per seatColour: blue,red,yellow,green,orange,gray,black and more.Quality:1.seats ... 4.installation is very easy.5.Brackt: steel pipe (galvanization,anti-rust)Certificate:1.UV exposure,High temperature test and low tempertature ... and so on.Material:HDPE(High Density Polyethylene)UV protection,anti-aging,die-cast aluminum stands(riser mounted,floor mounted) ...