Airzone 8" Spring Trampoline and Enclosure Combo: * Airzone trampoline frame is manufactured using durable, rust-resistant steel * Legs are W-shaped, creating 2 contact points for each leg for additional stability * High-performance, stainless steel springs are protected by a weather-resistant PVC frame cover and thick sewn-in padding * Improved enclosure set-up eliminates multiple drawstring ties and secures the enclosure to the frame * Added bungee cord around the top of the enclosure keeps netting taut and secured to the enclosure masts * Netting is a durable, non-abrasive polyethylene mesh that"s tightly woven so little fingers and toes don"t get caught * Patented zippered arch entrance provides total closure of the mesh while allowing for quick and easy door opening * Certified by an independent laboratory to pass all ASTM safety requirements