Innovative Storage Unit Ergonomic Design 35mm Diameter Steel Construction Powder Coated Frame Resists Chipping, Peeling, Rust & Corrosion Triple Layer Woven Polyethylene (Heated Sealed for Maximum Water Resistance) UV Treated with Added Fade Blockers Patent-Pending Shelterlock Steel Stabilisers for Added Stability & Durability Easy Slide Cross Rail Ratchet Tight Cover Tensioning ensures Drum Tight Cover