Foldable Passageway unfolded outside dimensions (length × Width × Height ): 25m× 2m / 1.6m × 2.3m. Total weight: 865kg. Material of the frame: High quality steel tube. The frame is with powder coat finish. Some of connectors coat with zinc. Tarpaulin is made of blue PVC waterproof cloth. Passageway is made up of 25 portal type frames and cross sticks, and supported by nylon casters. The distance between two paired casters is 3.12m. One passageway contains 18 casters.