FEATURES: Rust-resistant steel frame USA engineered TenCate Permatron jump mat withstands over 5000 hours of UV testing UV-resistant polyethylene enclosure netting Preventative foam padded spring cover UV-resistant polyethylene enclosure netting 4 steel U-shape poles for stability Patented double welded plates for preventative breakage and joint strength Stable placement via secure water anchors Tru-Steel enclosure to prevent net from snagging