Heavy Duty 330 lb Aluminum Foldable Platform Hand Truck Cart Aluminum Folding Platform Cart Fully extended platform size: 16''L x 28''W ; Fully closed platform size: 16''L x 19-1/4''W Unit height fully extended: 37''H;Overall dimension (fully closed and folded):16"Lx21-1/8"Wx7-3/8"H Weight capacity: 330 LBS ;(4) 4'' caster wheels (2-rigid, 2-swivel) Quantity: 1 ; Unit weight: 16 LBS