The main unit is made of square pipes (structural steel pipe) so it is very robust and does not collect dust. Collapses without tools Can be stored compactly when not needed. Folding tatami mechanism; Equipped with straight stabilizing brackets; For standing work; Set Contents (Accessories): Includes 2 straight stabilizing brackets; Patent registration No. 4028783; Outer dimensions: W 71.9 x D 35.4 x H 31.9 inches (1800 x 900 x 810 mm); Inner dimensions: W 50.6 lbs (1 kg); Top board size: 1 lbs (32 kg). 800 x 9 0.0 x 0.8 inches (00 x 21 mm); Top Plate Type: Polyester Top; Top Board Color: Ivory; Top Plate Thickness: 0.8 inches (21 mm); Casters: 3.0 inches (75 mm); Rubber car; Green Purchasing Law Compliant; Assembly required (assembly costs sold separately).