Feature●Material: PVC; Size: W 39.4 x D 39.4 x H 31.5 inches (1,000 x 1,000 x 800 mm); 4 sided foldable; Duct hole (diameter 11.0 inches (280 mm)Description Material: PVC; Size: W 39.4 x D 39.4 x H 31.5 inches (1,000 x 1,000 x 800 mm); 4 sided foldable; Duct hole (diameter 11.0 inches (280 mm)