Made of steel tubes. Lacquered with blue/red strong powder coating. It’s furnished with four wheels and removable sling seat. The sling seat is furnished with velcro closings on both sides, which makes it easy to adjust the size. The sling seat is pinned on the waist ring by strong pushbuttons. Length 60 cm. Width 50 cm. Wash the Sling Seat by machine, 60° C.