Material:
Steel+foram
Color: black,grey,black in red as show

Thickness:
Black in blue silver one it is 1.0mm thickness
Red(Burgundy),Grey(Light grey) Green one it is 1.5mm thickness

Max loaded:
Black ,silver one it is 150kg(stripe black or pure black sent by random)
Red(Burgundy),Grey(Light grey) one it is 200kg
80cm ( total stretch length it is 130cm but the use length only can suit for 83-115cm)