Backdrop Support System Maximum Height: 7’ / 2.1m Minimum Height: 27.56” / 70cm Folded Height: 29.53” / 75cm Maximum Width: 10’ / 3m Minimum Width: 5’ / 1.5m Backdrop Clamp Maximum Opening: 1.4” mouth Sandbag Recommended Load Capacity: 2lb / 0.9kg Material: Nylon.