Clear span tent 1.High strength,rustproof,lightweight 2.Waterproof,fireproof, ... speed is 100km/h.Optional Accessories:1)Transparent cover,PVC-clear window,glass door,floor system,lining and curtain,rain gutter ... .8112×259×5.5SLP-4040549.6115×307×6.0 20x30m Clear span Tent