The BERG Champion 12.5ft Trampoline + Safety Net protective edging has been made extra wide & thick to make sure that the springs & round frame are completely covered. The double coating on the framework provides extra protection. This trampoline has Twin Spring Gold Springs, allowing you to jump high & in comfort, these are made from galvanised steel & has a perfect balance between strength & flexibility. Quick & easy to assembled. The BERG Champion trampoline has been designed for comfort, durability & safety. Suitable for children aged 6+ years The trampoline should be placed on a flat, soft surface. We advise that no more than one person at any one time uses the trampoline. We also urge that an adult is present at all times to ensure maximum safety.NB: Ladder not included